./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya --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 32bit --witnessprinter.graph.data.programhash 2fde44ff6f2aac911c03318478d3361889c0f9ce519411733d9129672caa5fa0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:39:42,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:39:42,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:39:42,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:39:42,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:39:42,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:39:42,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:39:42,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:39:42,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:39:42,301 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:39:42,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:39:42,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:39:42,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:39:42,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:39:42,303 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:39:42,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:39:42,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:39:42,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:39:42,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:39:42,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:39:42,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:39:42,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:39:42,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:39:42,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:39:42,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:39:42,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:39:42,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:39:42,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:39:42,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:39:42,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:39:42,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:39:42,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:39:42,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:39:42,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:39:42,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:39:42,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:39:42,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:39:42,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:39:42,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:39:42,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:39:42,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:39:42,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:39:42,314 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fde44ff6f2aac911c03318478d3361889c0f9ce519411733d9129672caa5fa0 [2023-11-29 05:39:42,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:39:42,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:39:42,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:39:42,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:39:42,542 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:39:42,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2023-11-29 05:39:45,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:39:45,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:39:45,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2023-11-29 05:39:45,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/data/0e78e623c/67a6fe0c63da47fb81ac0b62286e85a9/FLAG958bb6a87 [2023-11-29 05:39:45,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/data/0e78e623c/67a6fe0c63da47fb81ac0b62286e85a9 [2023-11-29 05:39:45,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:39:45,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:39:45,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:39:45,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:39:45,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:39:45,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:39:45" (1/1) ... [2023-11-29 05:39:45,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2dfe0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:45, skipping insertion in model container [2023-11-29 05:39:45,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:39:45" (1/1) ... [2023-11-29 05:39:45,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:39:46,060 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c[16810,16823] [2023-11-29 05:39:46,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:39:46,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:39:46,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2023-11-29 05:39:46,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [79] [2023-11-29 05:39:46,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [371] [2023-11-29 05:39:46,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [737] [2023-11-29 05:39:46,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] [2023-11-29 05:39:46,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [781] [2023-11-29 05:39:46,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1193] [2023-11-29 05:39:46,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1210] [2023-11-29 05:39:46,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1308] [2023-11-29 05:39:46,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1562] [2023-11-29 05:39:46,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2631] [2023-11-29 05:39:46,303 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c[16810,16823] [2023-11-29 05:39:46,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:39:46,408 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:39:46,414 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:39:46,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46 WrapperNode [2023-11-29 05:39:46,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:39:46,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:39:46,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:39:46,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:39:46,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,490 INFO L138 Inliner]: procedures = 124, calls = 186, calls flagged for inlining = 54, calls inlined = 45, statements flattened = 862 [2023-11-29 05:39:46,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:39:46,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:39:46,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:39:46,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:39:46,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,533 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-11-29 05:39:46,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:39:46,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:39:46,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:39:46,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:39:46,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (1/1) ... [2023-11-29 05:39:46,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:39:46,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:39:46,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:39:46,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:39:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-29 05:39:46,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-29 05:39:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-29 05:39:46,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-29 05:39:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-29 05:39:46,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-29 05:39:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-29 05:39:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-29 05:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-29 05:39:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-29 05:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-29 05:39:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-29 05:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 05:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-29 05:39:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-29 05:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-29 05:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-29 05:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-29 05:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-29 05:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-29 05:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-29 05:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-29 05:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-29 05:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-29 05:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-29 05:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-29 05:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-29 05:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-29 05:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-29 05:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-29 05:39:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-29 05:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:39:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:39:46,835 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:39:46,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:39:47,483 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:39:47,548 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:39:47,549 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:39:47,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:39:47 BoogieIcfgContainer [2023-11-29 05:39:47,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:39:47,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:39:47,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:39:47,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:39:47,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:39:45" (1/3) ... [2023-11-29 05:39:47,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5507964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:39:47, skipping insertion in model container [2023-11-29 05:39:47,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:39:46" (2/3) ... [2023-11-29 05:39:47,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5507964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:39:47, skipping insertion in model container [2023-11-29 05:39:47,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:39:47" (3/3) ... [2023-11-29 05:39:47,558 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product13.cil.c [2023-11-29 05:39:47,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:39:47,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:39:47,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:39:47,638 INFO L357 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, mHoare=true, 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;@135bc2b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:39:47,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:39:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 190 states have (on average 1.6210526315789473) internal successors, (308), 192 states have internal predecessors, (308), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-29 05:39:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-29 05:39:47,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:47,664 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:39:47,664 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:47,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:47,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2058146720, now seen corresponding path program 1 times [2023-11-29 05:39:47,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:47,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842426436] [2023-11-29 05:39:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:47,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:39:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:39:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:39:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 05:39:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 05:39:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 05:39:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:39:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 05:39:48,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:48,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842426436] [2023-11-29 05:39:48,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842426436] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:39:48,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954560385] [2023-11-29 05:39:48,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:48,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:39:48,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:39:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:39:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:48,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:39:48,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:39:48,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:48,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954560385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:48,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:39:48,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2023-11-29 05:39:48,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268735824] [2023-11-29 05:39:48,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:48,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:39:48,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:48,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:39:48,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:39:48,664 INFO L87 Difference]: Start difference. First operand has 242 states, 190 states have (on average 1.6210526315789473) internal successors, (308), 192 states have internal predecessors, (308), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:39:48,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:48,732 INFO L93 Difference]: Finished difference Result 343 states and 526 transitions. [2023-11-29 05:39:48,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:39:48,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 76 [2023-11-29 05:39:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:48,748 INFO L225 Difference]: With dead ends: 343 [2023-11-29 05:39:48,748 INFO L226 Difference]: Without dead ends: 239 [2023-11-29 05:39:48,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:39:48,756 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:48,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:39:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-29 05:39:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2023-11-29 05:39:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 188 states have (on average 1.601063829787234) internal successors, (301), 189 states have internal predecessors, (301), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 05:39:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 370 transitions. [2023-11-29 05:39:48,817 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 370 transitions. Word has length 76 [2023-11-29 05:39:48,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:48,819 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 370 transitions. [2023-11-29 05:39:48,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:39:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2023-11-29 05:39:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 05:39:48,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:48,826 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:39:48,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:39:49,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:39:49,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:49,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1362980545, now seen corresponding path program 1 times [2023-11-29 05:39:49,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:49,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295673079] [2023-11-29 05:39:49,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:49,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:39:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:39:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:39:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 05:39:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:39:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:39:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:39:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 05:39:49,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:49,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295673079] [2023-11-29 05:39:49,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295673079] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:39:49,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003978451] [2023-11-29 05:39:49,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:49,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:39:49,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:39:49,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:39:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:49,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:39:49,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:39:49,685 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:49,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003978451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:49,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:39:49,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-29 05:39:49,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037699483] [2023-11-29 05:39:49,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:49,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:49,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:49,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:39:49,689 INFO L87 Difference]: Start difference. First operand 239 states and 370 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:39:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:49,751 INFO L93 Difference]: Finished difference Result 339 states and 513 transitions. [2023-11-29 05:39:49,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:49,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2023-11-29 05:39:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:49,756 INFO L225 Difference]: With dead ends: 339 [2023-11-29 05:39:49,756 INFO L226 Difference]: Without dead ends: 241 [2023-11-29 05:39:49,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:39:49,759 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 0 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:49,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 721 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:39:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-29 05:39:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2023-11-29 05:39:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 191 states have internal predecessors, (303), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 05:39:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 372 transitions. [2023-11-29 05:39:49,784 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 372 transitions. Word has length 77 [2023-11-29 05:39:49,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:49,784 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 372 transitions. [2023-11-29 05:39:49,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:39:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 372 transitions. [2023-11-29 05:39:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 05:39:49,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:49,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:39:49,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:39:49,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:49,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:49,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2057876358, now seen corresponding path program 1 times [2023-11-29 05:39:49,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:49,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954209377] [2023-11-29 05:39:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:49,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:39:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:39:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:39:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 05:39:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 05:39:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:39:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:39:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:39:50,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:50,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954209377] [2023-11-29 05:39:50,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954209377] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:39:50,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865169445] [2023-11-29 05:39:50,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:50,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:50,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:39:50,243 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:39:50,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:39:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:39:50,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:39:50,530 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:50,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865169445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:50,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:39:50,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-29 05:39:50,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715679711] [2023-11-29 05:39:50,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:50,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:39:50,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:50,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:39:50,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:39:50,533 INFO L87 Difference]: Start difference. First operand 241 states and 372 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:39:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:50,584 INFO L93 Difference]: Finished difference Result 508 states and 796 transitions. [2023-11-29 05:39:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:39:50,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2023-11-29 05:39:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:50,589 INFO L225 Difference]: With dead ends: 508 [2023-11-29 05:39:50,589 INFO L226 Difference]: Without dead ends: 289 [2023-11-29 05:39:50,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:39:50,594 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 95 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:50,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 687 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:39:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-29 05:39:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 284. [2023-11-29 05:39:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 222 states have (on average 1.6036036036036037) internal successors, (356), 223 states have internal predecessors, (356), 46 states have call successors, (46), 15 states have call predecessors, (46), 15 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 05:39:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 447 transitions. [2023-11-29 05:39:50,623 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 447 transitions. Word has length 82 [2023-11-29 05:39:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:50,624 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 447 transitions. [2023-11-29 05:39:50,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:39:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 447 transitions. [2023-11-29 05:39:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 05:39:50,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:50,628 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:39:50,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:39:50,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:50,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:50,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash -904675323, now seen corresponding path program 1 times [2023-11-29 05:39:50,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:50,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483346894] [2023-11-29 05:39:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:50,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:39:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:39:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:39:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 05:39:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:39:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:39:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:39:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:39:51,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:51,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483346894] [2023-11-29 05:39:51,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483346894] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:39:51,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473053124] [2023-11-29 05:39:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:51,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:51,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:39:51,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:39:51,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:39:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:39:51,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:39:51,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:51,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473053124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:51,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:39:51,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-29 05:39:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900680127] [2023-11-29 05:39:51,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:51,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:39:51,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:51,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:39:51,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:39:51,396 INFO L87 Difference]: Start difference. First operand 284 states and 447 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:51,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:51,520 INFO L93 Difference]: Finished difference Result 563 states and 888 transitions. [2023-11-29 05:39:51,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:39:51,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 83 [2023-11-29 05:39:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:51,526 INFO L225 Difference]: With dead ends: 563 [2023-11-29 05:39:51,526 INFO L226 Difference]: Without dead ends: 286 [2023-11-29 05:39:51,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:39:51,529 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 8 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:51,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1397 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:39:51,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-29 05:39:51,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2023-11-29 05:39:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 223 states have (on average 1.600896860986547) internal successors, (357), 225 states have internal predecessors, (357), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (47), 45 states have call predecessors, (47), 45 states have call successors, (47) [2023-11-29 05:39:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 450 transitions. [2023-11-29 05:39:51,553 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 450 transitions. Word has length 83 [2023-11-29 05:39:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:51,554 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 450 transitions. [2023-11-29 05:39:51,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 450 transitions. [2023-11-29 05:39:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-29 05:39:51,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:51,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-11-29 05:39:51,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:39:51,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:51,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:51,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:51,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1546862210, now seen corresponding path program 1 times [2023-11-29 05:39:51,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:51,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923145608] [2023-11-29 05:39:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:51,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:39:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 05:39:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 05:39:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 05:39:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:39:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 05:39:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 05:39:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:39:52,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:52,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923145608] [2023-11-29 05:39:52,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923145608] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:39:52,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336731463] [2023-11-29 05:39:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:52,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:52,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:39:52,032 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:39:52,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:39:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:39:52,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:39:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:39:52,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:39:52,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336731463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:52,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:39:52,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-11-29 05:39:52,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882254654] [2023-11-29 05:39:52,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:52,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:39:52,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:52,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:39:52,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:39:52,388 INFO L87 Difference]: Start difference. First operand 286 states and 450 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:52,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:52,546 INFO L93 Difference]: Finished difference Result 565 states and 893 transitions. [2023-11-29 05:39:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:39:52,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 84 [2023-11-29 05:39:52,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:52,550 INFO L225 Difference]: With dead ends: 565 [2023-11-29 05:39:52,550 INFO L226 Difference]: Without dead ends: 288 [2023-11-29 05:39:52,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:39:52,553 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 8 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:52,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1383 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:39:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-11-29 05:39:52,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2023-11-29 05:39:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 224 states have (on average 1.5982142857142858) internal successors, (358), 227 states have internal predecessors, (358), 46 states have call successors, (46), 15 states have call predecessors, (46), 17 states have return successors, (52), 45 states have call predecessors, (52), 45 states have call successors, (52) [2023-11-29 05:39:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 456 transitions. [2023-11-29 05:39:52,573 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 456 transitions. Word has length 84 [2023-11-29 05:39:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:52,573 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 456 transitions. [2023-11-29 05:39:52,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 456 transitions. [2023-11-29 05:39:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 05:39:52,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:52,576 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:39:52,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:39:52,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:39:52,779 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:52,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:52,780 INFO L85 PathProgramCache]: Analyzing trace with hash 200934642, now seen corresponding path program 1 times [2023-11-29 05:39:52,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:52,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627669942] [2023-11-29 05:39:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:39:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:39:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 05:39:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 05:39:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:39:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 05:39:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 05:39:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:39:52,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:52,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627669942] [2023-11-29 05:39:52,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627669942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:52,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:52,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:39:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351278295] [2023-11-29 05:39:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:52,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:39:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:39:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:39:52,971 INFO L87 Difference]: Start difference. First operand 288 states and 456 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:54,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:54,483 INFO L93 Difference]: Finished difference Result 611 states and 976 transitions. [2023-11-29 05:39:54,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:39:54,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 85 [2023-11-29 05:39:54,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:54,489 INFO L225 Difference]: With dead ends: 611 [2023-11-29 05:39:54,489 INFO L226 Difference]: Without dead ends: 342 [2023-11-29 05:39:54,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:39:54,492 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 584 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:54,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 812 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 05:39:54,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-11-29 05:39:54,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 288. [2023-11-29 05:39:54,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 224 states have (on average 1.5982142857142858) internal successors, (358), 227 states have internal predecessors, (358), 46 states have call successors, (46), 15 states have call predecessors, (46), 17 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-11-29 05:39:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 455 transitions. [2023-11-29 05:39:54,530 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 455 transitions. Word has length 85 [2023-11-29 05:39:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:54,530 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 455 transitions. [2023-11-29 05:39:54,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 455 transitions. [2023-11-29 05:39:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 05:39:54,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:54,534 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:39:54,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:39:54,534 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:54,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:54,535 INFO L85 PathProgramCache]: Analyzing trace with hash 562323533, now seen corresponding path program 2 times [2023-11-29 05:39:54,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:54,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559425294] [2023-11-29 05:39:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:39:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:39:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:39:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 05:39:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:39:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:39:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:39:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:39:54,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:54,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559425294] [2023-11-29 05:39:54,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559425294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:54,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:54,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:39:54,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201052591] [2023-11-29 05:39:54,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:54,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:39:54,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:54,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:39:54,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:39:54,776 INFO L87 Difference]: Start difference. First operand 288 states and 455 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:56,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:56,241 INFO L93 Difference]: Finished difference Result 613 states and 979 transitions. [2023-11-29 05:39:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:39:56,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 86 [2023-11-29 05:39:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:56,246 INFO L225 Difference]: With dead ends: 613 [2023-11-29 05:39:56,246 INFO L226 Difference]: Without dead ends: 344 [2023-11-29 05:39:56,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:39:56,248 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 580 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:56,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 812 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 05:39:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-29 05:39:56,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 290. [2023-11-29 05:39:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 229 states have internal predecessors, (359), 46 states have call successors, (46), 15 states have call predecessors, (46), 18 states have return successors, (53), 45 states have call predecessors, (53), 45 states have call successors, (53) [2023-11-29 05:39:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 458 transitions. [2023-11-29 05:39:56,277 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 458 transitions. Word has length 86 [2023-11-29 05:39:56,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:56,278 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 458 transitions. [2023-11-29 05:39:56,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-11-29 05:39:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 05:39:56,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:56,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:39:56,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:39:56,281 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:56,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:56,282 INFO L85 PathProgramCache]: Analyzing trace with hash -560741095, now seen corresponding path program 1 times [2023-11-29 05:39:56,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:56,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710863337] [2023-11-29 05:39:56,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:56,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:39:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:39:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:39:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:39:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:39:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:39:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:39:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:39:56,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:56,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710863337] [2023-11-29 05:39:56,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710863337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:56,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:56,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:39:56,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171714846] [2023-11-29 05:39:56,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:56,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:39:56,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:39:56,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:39:56,499 INFO L87 Difference]: Start difference. First operand 290 states and 458 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:57,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:57,939 INFO L93 Difference]: Finished difference Result 613 states and 978 transitions. [2023-11-29 05:39:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:39:57,940 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 87 [2023-11-29 05:39:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:57,943 INFO L225 Difference]: With dead ends: 613 [2023-11-29 05:39:57,943 INFO L226 Difference]: Without dead ends: 344 [2023-11-29 05:39:57,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:39:57,946 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 582 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:57,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 812 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 05:39:57,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-29 05:39:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 290. [2023-11-29 05:39:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 229 states have internal predecessors, (359), 46 states have call successors, (46), 15 states have call predecessors, (46), 18 states have return successors, (53), 45 states have call predecessors, (53), 45 states have call successors, (53) [2023-11-29 05:39:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 458 transitions. [2023-11-29 05:39:57,973 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 458 transitions. Word has length 87 [2023-11-29 05:39:57,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:57,974 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 458 transitions. [2023-11-29 05:39:57,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-29 05:39:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-11-29 05:39:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 05:39:57,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:57,977 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:39:57,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:39:57,978 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:57,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:57,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1947526505, now seen corresponding path program 1 times [2023-11-29 05:39:57,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:57,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716811011] [2023-11-29 05:39:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:57,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:39:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:39:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:39:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:39:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:39:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:39:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:39:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:39:58,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:39:58,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716811011] [2023-11-29 05:39:58,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716811011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:39:58,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:39:58,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:39:58,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286559808] [2023-11-29 05:39:58,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:39:58,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:39:58,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:39:58,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:39:58,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:39:58,217 INFO L87 Difference]: Start difference. First operand 290 states and 458 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 05:39:59,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:39:59,780 INFO L93 Difference]: Finished difference Result 611 states and 973 transitions. [2023-11-29 05:39:59,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:39:59,780 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 87 [2023-11-29 05:39:59,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:39:59,783 INFO L225 Difference]: With dead ends: 611 [2023-11-29 05:39:59,783 INFO L226 Difference]: Without dead ends: 344 [2023-11-29 05:39:59,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:39:59,786 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 589 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:39:59,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1163 Invalid, 2668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 05:39:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-29 05:39:59,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 290. [2023-11-29 05:39:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 229 states have internal predecessors, (359), 46 states have call successors, (46), 15 states have call predecessors, (46), 18 states have return successors, (52), 45 states have call predecessors, (52), 45 states have call successors, (52) [2023-11-29 05:39:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 457 transitions. [2023-11-29 05:39:59,811 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 457 transitions. Word has length 87 [2023-11-29 05:39:59,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:39:59,812 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 457 transitions. [2023-11-29 05:39:59,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 05:39:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 457 transitions. [2023-11-29 05:39:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 05:39:59,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:39:59,814 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:39:59,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:39:59,815 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:39:59,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:39:59,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1160114641, now seen corresponding path program 2 times [2023-11-29 05:39:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:39:59,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496003847] [2023-11-29 05:39:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:39:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:39:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:39:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:39:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:39:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:39:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:39:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:39:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 05:40:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:40:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:40:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:40:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:00,051 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:40:00,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:00,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496003847] [2023-11-29 05:40:00,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496003847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:00,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:00,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:40:00,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14999918] [2023-11-29 05:40:00,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:00,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:40:00,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:00,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:40:00,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:40:00,054 INFO L87 Difference]: Start difference. First operand 290 states and 457 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 05:40:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:01,846 INFO L93 Difference]: Finished difference Result 613 states and 979 transitions. [2023-11-29 05:40:01,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:40:01,846 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 88 [2023-11-29 05:40:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:01,849 INFO L225 Difference]: With dead ends: 613 [2023-11-29 05:40:01,849 INFO L226 Difference]: Without dead ends: 346 [2023-11-29 05:40:01,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:40:01,851 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 585 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:01,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1163 Invalid, 2693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:40:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-29 05:40:01,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 292. [2023-11-29 05:40:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 226 states have (on average 1.592920353982301) internal successors, (360), 231 states have internal predecessors, (360), 46 states have call successors, (46), 15 states have call predecessors, (46), 19 states have return successors, (57), 45 states have call predecessors, (57), 45 states have call successors, (57) [2023-11-29 05:40:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 463 transitions. [2023-11-29 05:40:01,877 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 463 transitions. Word has length 88 [2023-11-29 05:40:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:01,877 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 463 transitions. [2023-11-29 05:40:01,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-29 05:40:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 463 transitions. [2023-11-29 05:40:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 05:40:01,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:01,880 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:01,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:40:01,881 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:01,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1326054436, now seen corresponding path program 1 times [2023-11-29 05:40:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753295838] [2023-11-29 05:40:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:01,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 05:40:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:40:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:40:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:40:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:02,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:02,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753295838] [2023-11-29 05:40:02,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753295838] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:40:02,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001906424] [2023-11-29 05:40:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:02,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:40:02,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:40:02,056 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:40:02,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:40:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:02,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:40:02,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:40:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:02,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:40:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:02,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001906424] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:40:02,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:40:02,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2023-11-29 05:40:02,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481617646] [2023-11-29 05:40:02,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:40:02,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:40:02,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:40:02,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:02,451 INFO L87 Difference]: Start difference. First operand 292 states and 463 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 05:40:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:03,663 INFO L93 Difference]: Finished difference Result 754 states and 1264 transitions. [2023-11-29 05:40:03,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:40:03,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2023-11-29 05:40:03,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:03,669 INFO L225 Difference]: With dead ends: 754 [2023-11-29 05:40:03,669 INFO L226 Difference]: Without dead ends: 656 [2023-11-29 05:40:03,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:40:03,671 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1018 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:03,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 952 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:40:03,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-11-29 05:40:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 587. [2023-11-29 05:40:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 457 states have (on average 1.6411378555798688) internal successors, (750), 462 states have internal predecessors, (750), 110 states have call successors, (110), 15 states have call predecessors, (110), 19 states have return successors, (131), 109 states have call predecessors, (131), 109 states have call successors, (131) [2023-11-29 05:40:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 991 transitions. [2023-11-29 05:40:03,705 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 991 transitions. Word has length 89 [2023-11-29 05:40:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:03,705 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 991 transitions. [2023-11-29 05:40:03,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 05:40:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 991 transitions. [2023-11-29 05:40:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-29 05:40:03,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:03,709 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:03,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:40:03,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 05:40:03,911 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:03,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1557790087, now seen corresponding path program 1 times [2023-11-29 05:40:03,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:03,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714660769] [2023-11-29 05:40:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:03,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 05:40:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:40:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:40:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 05:40:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:04,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:04,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714660769] [2023-11-29 05:40:04,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714660769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:04,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:04,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:04,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146651489] [2023-11-29 05:40:04,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:04,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:04,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:04,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:04,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:04,028 INFO L87 Difference]: Start difference. First operand 587 states and 991 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:04,848 INFO L93 Difference]: Finished difference Result 1465 states and 2533 transitions. [2023-11-29 05:40:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:04,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 95 [2023-11-29 05:40:04,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:04,855 INFO L225 Difference]: With dead ends: 1465 [2023-11-29 05:40:04,856 INFO L226 Difference]: Without dead ends: 938 [2023-11-29 05:40:04,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:04,859 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 667 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:04,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 600 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:40:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-11-29 05:40:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 879. [2023-11-29 05:40:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 685 states have (on average 1.6452554744525547) internal successors, (1127), 690 states have internal predecessors, (1127), 174 states have call successors, (174), 15 states have call predecessors, (174), 19 states have return successors, (205), 173 states have call predecessors, (205), 173 states have call successors, (205) [2023-11-29 05:40:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1506 transitions. [2023-11-29 05:40:04,916 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1506 transitions. Word has length 95 [2023-11-29 05:40:04,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:04,916 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1506 transitions. [2023-11-29 05:40:04,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1506 transitions. [2023-11-29 05:40:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-29 05:40:04,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:04,922 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:04,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:40:04,923 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:04,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:04,923 INFO L85 PathProgramCache]: Analyzing trace with hash 578903811, now seen corresponding path program 1 times [2023-11-29 05:40:04,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:04,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445609433] [2023-11-29 05:40:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 05:40:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 05:40:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:40:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:40:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:05,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:05,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445609433] [2023-11-29 05:40:05,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445609433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:05,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:05,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:05,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665206501] [2023-11-29 05:40:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:05,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:05,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:05,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:05,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:05,022 INFO L87 Difference]: Start difference. First operand 879 states and 1506 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:05,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:05,880 INFO L93 Difference]: Finished difference Result 2162 states and 3760 transitions. [2023-11-29 05:40:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:05,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 96 [2023-11-29 05:40:05,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:05,890 INFO L225 Difference]: With dead ends: 2162 [2023-11-29 05:40:05,890 INFO L226 Difference]: Without dead ends: 1393 [2023-11-29 05:40:05,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:05,893 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 665 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:05,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 570 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:40:05,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-11-29 05:40:05,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1334. [2023-11-29 05:40:05,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1045 states have (on average 1.64688995215311) internal successors, (1721), 1050 states have internal predecessors, (1721), 269 states have call successors, (269), 15 states have call predecessors, (269), 19 states have return successors, (300), 268 states have call predecessors, (300), 268 states have call successors, (300) [2023-11-29 05:40:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2290 transitions. [2023-11-29 05:40:05,984 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2290 transitions. Word has length 96 [2023-11-29 05:40:05,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:05,985 INFO L495 AbstractCegarLoop]: Abstraction has 1334 states and 2290 transitions. [2023-11-29 05:40:05,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2290 transitions. [2023-11-29 05:40:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-29 05:40:05,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:05,993 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:05,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:40:05,994 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:05,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:05,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1725367707, now seen corresponding path program 1 times [2023-11-29 05:40:05,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:05,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921851372] [2023-11-29 05:40:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:05,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 05:40:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 05:40:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:40:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 05:40:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:06,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:06,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921851372] [2023-11-29 05:40:06,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921851372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:06,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:06,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:06,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917031476] [2023-11-29 05:40:06,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:06,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:06,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:06,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:06,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:06,094 INFO L87 Difference]: Start difference. First operand 1334 states and 2290 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:06,935 INFO L93 Difference]: Finished difference Result 3180 states and 5572 transitions. [2023-11-29 05:40:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 97 [2023-11-29 05:40:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:06,953 INFO L225 Difference]: With dead ends: 3180 [2023-11-29 05:40:06,953 INFO L226 Difference]: Without dead ends: 2076 [2023-11-29 05:40:06,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:06,960 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 663 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:06,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 569 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:40:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2023-11-29 05:40:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2017. [2023-11-29 05:40:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2017 states, 1605 states have (on average 1.649221183800623) internal successors, (2647), 1610 states have internal predecessors, (2647), 392 states have call successors, (392), 15 states have call predecessors, (392), 19 states have return successors, (439), 391 states have call predecessors, (439), 391 states have call successors, (439) [2023-11-29 05:40:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 3478 transitions. [2023-11-29 05:40:07,092 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 3478 transitions. Word has length 97 [2023-11-29 05:40:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:07,092 INFO L495 AbstractCegarLoop]: Abstraction has 2017 states and 3478 transitions. [2023-11-29 05:40:07,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 3478 transitions. [2023-11-29 05:40:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 05:40:07,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:07,102 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:07,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:40:07,103 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:07,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:07,103 INFO L85 PathProgramCache]: Analyzing trace with hash -69701980, now seen corresponding path program 1 times [2023-11-29 05:40:07,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:07,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809029184] [2023-11-29 05:40:07,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 05:40:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:40:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 05:40:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:40:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:07,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:07,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809029184] [2023-11-29 05:40:07,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809029184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:07,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:07,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:07,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170943909] [2023-11-29 05:40:07,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:07,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:07,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:07,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:07,224 INFO L87 Difference]: Start difference. First operand 2017 states and 3478 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:08,158 INFO L93 Difference]: Finished difference Result 4750 states and 8377 transitions. [2023-11-29 05:40:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:08,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2023-11-29 05:40:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:08,175 INFO L225 Difference]: With dead ends: 4750 [2023-11-29 05:40:08,175 INFO L226 Difference]: Without dead ends: 3160 [2023-11-29 05:40:08,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:08,180 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 661 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:08,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 569 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:40:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2023-11-29 05:40:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3101. [2023-11-29 05:40:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3101 states, 2510 states have (on average 1.650597609561753) internal successors, (4143), 2515 states have internal predecessors, (4143), 571 states have call successors, (571), 15 states have call predecessors, (571), 19 states have return successors, (644), 570 states have call predecessors, (644), 570 states have call successors, (644) [2023-11-29 05:40:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 5358 transitions. [2023-11-29 05:40:08,303 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 5358 transitions. Word has length 98 [2023-11-29 05:40:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:08,304 INFO L495 AbstractCegarLoop]: Abstraction has 3101 states and 5358 transitions. [2023-11-29 05:40:08,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 5358 transitions. [2023-11-29 05:40:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 05:40:08,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:08,312 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:08,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:40:08,312 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:08,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:08,313 INFO L85 PathProgramCache]: Analyzing trace with hash 489552599, now seen corresponding path program 1 times [2023-11-29 05:40:08,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:08,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354038683] [2023-11-29 05:40:08,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:40:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:40:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:40:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 05:40:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:08,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:08,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354038683] [2023-11-29 05:40:08,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354038683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:08,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:08,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:08,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997348003] [2023-11-29 05:40:08,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:08,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:08,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:08,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:08,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:08,425 INFO L87 Difference]: Start difference. First operand 3101 states and 5358 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:09,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:09,354 INFO L93 Difference]: Finished difference Result 7581 states and 13389 transitions. [2023-11-29 05:40:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:09,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2023-11-29 05:40:09,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:09,386 INFO L225 Difference]: With dead ends: 7581 [2023-11-29 05:40:09,386 INFO L226 Difference]: Without dead ends: 5130 [2023-11-29 05:40:09,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:09,394 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 659 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:09,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 606 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:40:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2023-11-29 05:40:09,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5071. [2023-11-29 05:40:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 4104 states have (on average 1.6408382066276803) internal successors, (6734), 4109 states have internal predecessors, (6734), 947 states have call successors, (947), 15 states have call predecessors, (947), 19 states have return successors, (1064), 946 states have call predecessors, (1064), 946 states have call successors, (1064) [2023-11-29 05:40:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 8745 transitions. [2023-11-29 05:40:09,730 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 8745 transitions. Word has length 99 [2023-11-29 05:40:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:09,731 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 8745 transitions. [2023-11-29 05:40:09,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 8745 transitions. [2023-11-29 05:40:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 05:40:09,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:09,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:09,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:40:09,744 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:09,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1074212200, now seen corresponding path program 1 times [2023-11-29 05:40:09,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:09,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687543498] [2023-11-29 05:40:09,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:09,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:40:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:40:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:40:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:40:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:09,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:09,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687543498] [2023-11-29 05:40:09,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687543498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:09,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:09,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:09,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961065739] [2023-11-29 05:40:09,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:09,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:09,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:09,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:09,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:09,855 INFO L87 Difference]: Start difference. First operand 5071 states and 8745 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:11,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:11,042 INFO L93 Difference]: Finished difference Result 12562 states and 22137 transitions. [2023-11-29 05:40:11,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:11,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2023-11-29 05:40:11,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:11,097 INFO L225 Difference]: With dead ends: 12562 [2023-11-29 05:40:11,098 INFO L226 Difference]: Without dead ends: 8507 [2023-11-29 05:40:11,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:11,112 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 657 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:11,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 580 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:40:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8507 states. [2023-11-29 05:40:11,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8507 to 8448. [2023-11-29 05:40:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8448 states, 6875 states have (on average 1.6373818181818183) internal successors, (11257), 6880 states have internal predecessors, (11257), 1553 states have call successors, (1553), 15 states have call predecessors, (1553), 19 states have return successors, (1748), 1552 states have call predecessors, (1748), 1552 states have call successors, (1748) [2023-11-29 05:40:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8448 states to 8448 states and 14558 transitions. [2023-11-29 05:40:11,462 INFO L78 Accepts]: Start accepts. Automaton has 8448 states and 14558 transitions. Word has length 100 [2023-11-29 05:40:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:11,462 INFO L495 AbstractCegarLoop]: Abstraction has 8448 states and 14558 transitions. [2023-11-29 05:40:11,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8448 states and 14558 transitions. [2023-11-29 05:40:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 05:40:11,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:11,474 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:11,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:40:11,474 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:11,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:11,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1101922343, now seen corresponding path program 1 times [2023-11-29 05:40:11,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:11,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439723417] [2023-11-29 05:40:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:11,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:40:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:40:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 05:40:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:40:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:11,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:11,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439723417] [2023-11-29 05:40:11,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439723417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:11,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:11,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:11,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112028875] [2023-11-29 05:40:11,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:11,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:11,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:11,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:11,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:11,558 INFO L87 Difference]: Start difference. First operand 8448 states and 14558 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:12,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:12,654 INFO L93 Difference]: Finished difference Result 21914 states and 38536 transitions. [2023-11-29 05:40:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:12,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2023-11-29 05:40:12,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:12,708 INFO L225 Difference]: With dead ends: 21914 [2023-11-29 05:40:12,708 INFO L226 Difference]: Without dead ends: 14891 [2023-11-29 05:40:12,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:12,733 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 655 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:12,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 617 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:40:12,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14891 states. [2023-11-29 05:40:13,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14891 to 14832. [2023-11-29 05:40:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14832 states, 12056 states have (on average 1.6269077637690776) internal successors, (19614), 12061 states have internal predecessors, (19614), 2756 states have call successors, (2756), 15 states have call predecessors, (2756), 19 states have return successors, (3095), 2755 states have call predecessors, (3095), 2755 states have call successors, (3095) [2023-11-29 05:40:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14832 states to 14832 states and 25465 transitions. [2023-11-29 05:40:13,640 INFO L78 Accepts]: Start accepts. Automaton has 14832 states and 25465 transitions. Word has length 101 [2023-11-29 05:40:13,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:13,640 INFO L495 AbstractCegarLoop]: Abstraction has 14832 states and 25465 transitions. [2023-11-29 05:40:13,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 14832 states and 25465 transitions. [2023-11-29 05:40:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 05:40:13,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:13,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:13,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:40:13,667 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:13,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:13,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1897214121, now seen corresponding path program 1 times [2023-11-29 05:40:13,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:13,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507099444] [2023-11-29 05:40:13,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:13,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:40:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:40:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:40:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 05:40:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:13,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:13,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507099444] [2023-11-29 05:40:13,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507099444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:13,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:13,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:13,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856919714] [2023-11-29 05:40:13,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:13,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:13,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:13,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:13,825 INFO L87 Difference]: Start difference. First operand 14832 states and 25465 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:15,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:15,484 INFO L93 Difference]: Finished difference Result 39273 states and 68922 transitions. [2023-11-29 05:40:15,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:15,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2023-11-29 05:40:15,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:15,584 INFO L225 Difference]: With dead ends: 39273 [2023-11-29 05:40:15,585 INFO L226 Difference]: Without dead ends: 26458 [2023-11-29 05:40:15,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:15,616 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 653 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:15,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 570 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:40:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26458 states. [2023-11-29 05:40:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26458 to 26399. [2023-11-29 05:40:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26399 states, 21584 states have (on average 1.6224518161601187) internal successors, (35019), 21589 states have internal predecessors, (35019), 4795 states have call successors, (4795), 15 states have call predecessors, (4795), 19 states have return successors, (5408), 4794 states have call predecessors, (5408), 4794 states have call successors, (5408) [2023-11-29 05:40:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26399 states to 26399 states and 45222 transitions. [2023-11-29 05:40:17,003 INFO L78 Accepts]: Start accepts. Automaton has 26399 states and 45222 transitions. Word has length 102 [2023-11-29 05:40:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:17,004 INFO L495 AbstractCegarLoop]: Abstraction has 26399 states and 45222 transitions. [2023-11-29 05:40:17,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 26399 states and 45222 transitions. [2023-11-29 05:40:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 05:40:17,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:17,020 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-29 05:40:17,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:40:17,021 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:17,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:17,021 INFO L85 PathProgramCache]: Analyzing trace with hash 619257147, now seen corresponding path program 1 times [2023-11-29 05:40:17,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:17,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389043342] [2023-11-29 05:40:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:40:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:40:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 05:40:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 05:40:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:17,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:17,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389043342] [2023-11-29 05:40:17,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389043342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:17,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:17,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:17,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565953113] [2023-11-29 05:40:17,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:17,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:17,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:17,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:17,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:17,129 INFO L87 Difference]: Start difference. First operand 26399 states and 45222 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:19,279 INFO L93 Difference]: Finished difference Result 71885 states and 125346 transitions. [2023-11-29 05:40:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:19,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2023-11-29 05:40:19,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:19,455 INFO L225 Difference]: With dead ends: 71885 [2023-11-29 05:40:19,455 INFO L226 Difference]: Without dead ends: 48218 [2023-11-29 05:40:19,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:19,520 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 651 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:19,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 575 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:40:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48218 states. [2023-11-29 05:40:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48218 to 48159. [2023-11-29 05:40:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48159 states, 39629 states have (on average 1.616770546821772) internal successors, (64071), 39634 states have internal predecessors, (64071), 8510 states have call successors, (8510), 15 states have call predecessors, (8510), 19 states have return successors, (9655), 8509 states have call predecessors, (9655), 8509 states have call successors, (9655) [2023-11-29 05:40:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48159 states to 48159 states and 82236 transitions. [2023-11-29 05:40:21,621 INFO L78 Accepts]: Start accepts. Automaton has 48159 states and 82236 transitions. Word has length 103 [2023-11-29 05:40:21,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:21,621 INFO L495 AbstractCegarLoop]: Abstraction has 48159 states and 82236 transitions. [2023-11-29 05:40:21,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 48159 states and 82236 transitions. [2023-11-29 05:40:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 05:40:21,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:21,642 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:40:21,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:40:21,642 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:21,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1889739081, now seen corresponding path program 1 times [2023-11-29 05:40:21,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:21,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817443293] [2023-11-29 05:40:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:21,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:40:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 05:40:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:40:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 05:40:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:21,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:21,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817443293] [2023-11-29 05:40:21,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817443293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:21,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:21,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:40:21,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45684730] [2023-11-29 05:40:21,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:21,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:40:21,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:21,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:40:21,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:40:21,760 INFO L87 Difference]: Start difference. First operand 48159 states and 82236 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:25,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:25,193 INFO L93 Difference]: Finished difference Result 89604 states and 156710 transitions. [2023-11-29 05:40:25,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:40:25,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2023-11-29 05:40:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:25,607 INFO L225 Difference]: With dead ends: 89604 [2023-11-29 05:40:25,607 INFO L226 Difference]: Without dead ends: 89506 [2023-11-29 05:40:25,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:40:25,629 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 649 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:25,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 570 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 05:40:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89506 states. [2023-11-29 05:40:28,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89506 to 89447. [2023-11-29 05:40:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89447 states, 74118 states have (on average 1.6096090018618958) internal successors, (119301), 74123 states have internal predecessors, (119301), 15309 states have call successors, (15309), 15 states have call predecessors, (15309), 19 states have return successors, (17500), 15308 states have call predecessors, (17500), 15308 states have call successors, (17500) [2023-11-29 05:40:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89447 states to 89447 states and 152110 transitions. [2023-11-29 05:40:29,320 INFO L78 Accepts]: Start accepts. Automaton has 89447 states and 152110 transitions. Word has length 104 [2023-11-29 05:40:29,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:29,321 INFO L495 AbstractCegarLoop]: Abstraction has 89447 states and 152110 transitions. [2023-11-29 05:40:29,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 05:40:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 89447 states and 152110 transitions. [2023-11-29 05:40:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 05:40:29,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:40:29,337 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:40:29,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:40:29,337 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:40:29,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:40:29,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1249778310, now seen corresponding path program 1 times [2023-11-29 05:40:29,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:40:29,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981427485] [2023-11-29 05:40:29,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:40:29,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:40:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:40:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:40:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:40:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:40:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:40:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:40:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:40:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:40:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 05:40:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 05:40:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:40:29,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:40:29,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:40:29,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981427485] [2023-11-29 05:40:29,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981427485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:40:29,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:40:29,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:40:29,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007125181] [2023-11-29 05:40:29,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:40:29,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:40:29,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:40:29,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:40:29,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:40:29,500 INFO L87 Difference]: Start difference. First operand 89447 states and 152110 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-29 05:40:32,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:40:32,755 INFO L93 Difference]: Finished difference Result 89499 states and 155470 transitions. [2023-11-29 05:40:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:40:32,756 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2023-11-29 05:40:32,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:40:32,756 INFO L225 Difference]: With dead ends: 89499 [2023-11-29 05:40:32,756 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:40:32,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:40:32,867 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 569 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:40:32,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 825 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:40:32,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:40:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:40:32,868 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) [2023-11-29 05:40:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:40:32,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2023-11-29 05:40:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:40:32,880 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:40:32,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-29 05:40:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:40:32,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:40:32,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:40:32,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:40:32,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:40:41,074 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:40:49,697 WARN L293 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:40:56,291 WARN L293 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:03,189 WARN L293 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:09,967 WARN L293 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:17,271 WARN L293 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:25,707 WARN L293 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:34,672 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:43,641 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:50,657 WARN L293 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:41:56,929 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:42:04,667 WARN L293 SmtUtils]: Spent 6.52s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:42:11,017 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:42:17,388 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:42:17,909 INFO L899 garLoopResultBuilder]: For program point getEmailSignKeyEXIT(lines 1121 1139) no Hoare annotation was computed. [2023-11-29 05:42:17,909 INFO L899 garLoopResultBuilder]: For program point getEmailSignKeyFINAL(lines 1121 1139) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1121 1139) the Hoare annotation is: true [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L1129(lines 1129 1135) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1136) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L1464(lines 1464 1474) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L2447(lines 2447 2453) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L69-2(lines 62 78) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L1184(lines 1184 1188) no Hoare annotation was computed. [2023-11-29 05:42:17,910 INFO L899 garLoopResultBuilder]: For program point L1184-2(lines 1177 1192) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1535) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L902 garLoopResultBuilder]: At program point L1531-1(lines 1527 1538) the Hoare annotation is: true [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L2456(lines 2456 2487) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L1110(lines 1110 1114) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L1110-2(lines 1103 1118) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point getClientPrivateKey_returnLabel#1(lines 2152 2175) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L895 garLoopResultBuilder]: At program point L1342(line 1342) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L1342-1(line 1342) no Hoare annotation was computed. [2023-11-29 05:42:17,911 INFO L899 garLoopResultBuilder]: For program point L1499(lines 1499 1503) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1152) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2457(lines 2457 2468) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2160(lines 2160 2171) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1348 1358) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:42:17,912 INFO L902 garLoopResultBuilder]: At program point L1525(line 1525) the Hoare annotation is: true [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1525-1(line 1525) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2442(lines 2442 2488) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2475(lines 2475 2481) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2599(lines 2599 2605) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2591(lines 2591 2607) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1468(lines 1468 1473) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L2443(lines 2443 2454) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1151) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1147-2(lines 1140 1155) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point L1527(lines 1527 1538) no Hoare annotation was computed. [2023-11-29 05:42:17,912 INFO L899 garLoopResultBuilder]: For program point isKeyPairValid_returnLabel#1(lines 1455 1479) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1558) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L1544-1(lines 1511 1561) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point findPublicKey_returnLabel#1(lines 2438 2491) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L1181(lines 1181 1189) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION(line 742) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L2461(lines 2461 2467) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L2164(lines 2164 2170) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1115) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L902 garLoopResultBuilder]: At program point L1330(line 1330) the Hoare annotation is: true [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L1330-1(line 1330) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L2156(lines 2156 2172) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point getClientId_returnLabel#1(lines 2587 2610) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L2470(lines 2470 2486) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point sign_returnLabel#1(lines 1490 1510) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L902 garLoopResultBuilder]: At program point L1529(line 1529) the Hoare annotation is: true [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point L1529-1(line 1529) no Hoare annotation was computed. [2023-11-29 05:42:17,913 INFO L899 garLoopResultBuilder]: For program point outgoingEXIT(lines 1348 1358) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L902 garLoopResultBuilder]: At program point L1546(line 1546) the Hoare annotation is: true [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L1546-1(line 1546) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L2471(lines 2471 2482) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L2595(lines 2595 2606) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L1088(lines 1088 1099) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point isSignedEXIT(lines 1084 1102) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point isSignedFINAL(lines 1084 1102) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1084 1102) the Hoare annotation is: true [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L1092(lines 1092 1098) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point setClientPrivateKeyEXIT(lines 2176 2195) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L2186(lines 2186 2190) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2176 2195) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L2186-2(lines 2176 2195) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L2183(lines 2183 2191) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point L2180(lines 2180 2192) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L899 garLoopResultBuilder]: For program point chuckKeyAddEXIT(lines 317 328) no Hoare annotation was computed. [2023-11-29 05:42:17,914 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 328) the Hoare annotation is: true [2023-11-29 05:42:17,914 INFO L902 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: true [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L322(line 322) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L902 garLoopResultBuilder]: At program point L323-1(line 323) the Hoare annotation is: true [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point chuckKeyAddFINAL(lines 317 328) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point getEmailToFINAL(lines 895 913) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point getEmailToEXIT(lines 895 913) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 895 913) the Hoare annotation is: true [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 909) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 910) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2218) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2203(lines 2203 2219) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2230(lines 2230 2238) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point createClientKeyringEntryFINAL(lines 2243 2267) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2243 2267) the Hoare annotation is: true [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2233(lines 2233 2237) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2233-2(lines 2223 2242) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2227(lines 2227 2239) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point getClientKeyringSize_returnLabel#1(lines 2199 2222) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point L2254(lines 2254 2264) no Hoare annotation was computed. [2023-11-29 05:42:17,915 INFO L899 garLoopResultBuilder]: For program point createClientKeyringEntryEXIT(lines 2243 2267) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point L2211(lines 2211 2217) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point generateKeyPairFINAL(lines 1480 1489) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L895 garLoopResultBuilder]: At program point L1485(line 1485) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-11-29 05:42:17,916 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1480 1489) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point generateKeyPairEXIT(lines 1480 1489) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point L2335(lines 2335 2371) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point L2358(lines 2358 2366) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point L2350(lines 2350 2354) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point L2346(lines 2346 2370) no Hoare annotation was computed. [2023-11-29 05:42:17,916 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2331 2374) the Hoare annotation is: true [2023-11-29 05:42:17,916 INFO L899 garLoopResultBuilder]: For program point L2336(lines 2336 2344) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point setClientKeyringUserEXIT(lines 2331 2374) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L2361(lines 2361 2365) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L2357-1(lines 2331 2374) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L2357(lines 2357 2369) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L2347(lines 2347 2355) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L2339(lines 2339 2343) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L921(lines 921 925) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L921-2(lines 914 929) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 926) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L895 garLoopResultBuilder]: At program point L1300(line 1300) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point L1300-1(line 1300) no Hoare annotation was computed. [2023-11-29 05:42:17,917 INFO L899 garLoopResultBuilder]: For program point sendEmailEXIT(lines 1405 1417) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L899 garLoopResultBuilder]: For program point sendEmailFINAL(lines 1405 1417) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1405 1417) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:42:17,918 INFO L902 garLoopResultBuilder]: At program point L1413(line 1413) the Hoare annotation is: true [2023-11-29 05:42:17,918 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 889) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L899 garLoopResultBuilder]: For program point setEmailFromEXIT(lines 877 892) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 877 892) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:42:17,918 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L899 garLoopResultBuilder]: For program point L884-2(lines 877 892) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (= |ULTIMATE.start_test_~op7~0#1| 0) [2023-11-29 05:42:17,918 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 361 370) no Hoare annotation was computed. [2023-11-29 05:42:17,918 INFO L895 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: (= |ULTIMATE.start_test_~op1~0#1| 0) [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L2282(lines 2282 2293) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L2761(lines 2761 2768) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2834) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (= |ULTIMATE.start_test_~op5~0#1| 0) [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (= |ULTIMATE.start_test_~op1~0#1| 0) [2023-11-29 05:42:17,919 INFO L895 garLoopResultBuilder]: At program point L268-1(line 268) the Hoare annotation is: (= |ULTIMATE.start_test_~op1~0#1| 0) [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point $Ultimate##90(lines 2771 2827) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L2300(lines 2300 2306) no Hoare annotation was computed. [2023-11-29 05:42:17,919 INFO L899 garLoopResultBuilder]: For program point L2416(lines 2416 2432) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L895 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: (= |ULTIMATE.start_test_~op5~0#1| 0) [2023-11-29 05:42:17,920 INFO L895 garLoopResultBuilder]: At program point L335-1(line 335) the Hoare annotation is: (= |ULTIMATE.start_test_~op5~0#1| 0) [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point L2697(lines 2697 2701) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point $Ultimate##96(lines 2782 2826) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L895 garLoopResultBuilder]: At program point L286(line 286) the Hoare annotation is: (= |ULTIMATE.start_test_~op4~0#1| 0) [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point L286-1(line 286) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point L2417(lines 2417 2428) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point L336(lines 329 340) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 2757 2828) no Hoare annotation was computed. [2023-11-29 05:42:17,920 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (= |ULTIMATE.start_test_~op4~0#1| 0) [2023-11-29 05:42:17,920 INFO L899 garLoopResultBuilder]: For program point L2814(lines 2814 2821) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L895 garLoopResultBuilder]: At program point L287-1(line 287) the Hoare annotation is: (= |ULTIMATE.start_test_~op4~0#1| 0) [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point $Ultimate##72(lines 2732 2830) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L902 garLoopResultBuilder]: At program point L2814-1(lines 2671 2835) the Hoare annotation is: true [2023-11-29 05:42:17,921 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 149 159) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point L2286(lines 2286 2292) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point L2402(lines 2402 2433) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point $Ultimate##78(lines 2746 2829) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point L288(lines 281 292) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L902 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: true [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point $Ultimate##60(lines 2704 2832) no Hoare annotation was computed. [2023-11-29 05:42:17,921 INFO L899 garLoopResultBuilder]: For program point L189-1(line 189) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L902 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: true [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 118 127) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point L2683(lines 2683 2690) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point L2403(lines 2403 2414) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point $Ultimate##66(lines 2718 2831) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L895 garLoopResultBuilder]: At program point L2816(line 2816) the Hoare annotation is: (= |ULTIMATE.start_test_~op11~0#1| 0) [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point L2750(lines 2750 2754) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point L2816-1(line 2816) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point L2800(lines 2800 2807) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L899 garLoopResultBuilder]: For program point $Ultimate##54(lines 2693 2833) no Hoare annotation was computed. [2023-11-29 05:42:17,922 INFO L895 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (= |ULTIMATE.start_test_~op10~0#1| 0) [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L356-1(lines 351 360) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L2388(lines 2388 2434) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L2421(lines 2421 2427) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 200) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L2389(lines 2389 2400) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L2736(lines 2736 2743) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (and (not (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 1)) (not (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 2))) [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 170 180) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L2786(lines 2786 2793) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point getClientKeyringUser_returnLabel#1(lines 2277 2330) no Hoare annotation was computed. [2023-11-29 05:42:17,923 INFO L899 garLoopResultBuilder]: For program point L2836(lines 2670 2837) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) (<= 2 |ULTIMATE.start_setup_rjh__wrappee__Base_~rjh___0#1|)) [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 139 148) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2407(lines 2407 2413) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2672(lines 2671 2835) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L895 garLoopResultBuilder]: At program point L2788(line 2788) the Hoare annotation is: (= |ULTIMATE.start_test_~op9~0#1| 0) [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2309(lines 2309 2325) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2722(lines 2722 2729) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2788-1(line 2788) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2310(lines 2310 2321) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L899 garLoopResultBuilder]: For program point L2393(lines 2393 2399) no Hoare annotation was computed. [2023-11-29 05:42:17,924 INFO L895 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (= |ULTIMATE.start_test_~op3~0#1| 0) [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point L346-1(lines 341 350) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point L2295(lines 2295 2326) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point L2708(lines 2708 2715) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L902 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: true [2023-11-29 05:42:17,925 INFO L895 garLoopResultBuilder]: At program point L165(line 165) the Hoare annotation is: (and (= 3 |ULTIMATE.start_setup_chuck__wrappee__Base_~chuck___0#1|) (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 3)) [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 181 203) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 160 169) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point getClientKeyringPublicKey_returnLabel#1(lines 2384 2437) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point $Ultimate##102(lines 2796 2825) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point $Ultimate##108(lines 2810 2824) no Hoare annotation was computed. [2023-11-29 05:42:17,925 INFO L899 garLoopResultBuilder]: For program point L2296(lines 2296 2307) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 255) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L2775(lines 2775 2779) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 255) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L2314(lines 2314 2320) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L2281(lines 2281 2327) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L902 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: true [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 128 138) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point getEmailFromFINAL(lines 858 876) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 873) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point getEmailFromEXIT(lines 858 876) no Hoare annotation was computed. [2023-11-29 05:42:17,926 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 858 876) the Hoare annotation is: true [2023-11-29 05:42:17,926 INFO L899 garLoopResultBuilder]: For program point L866(lines 866 872) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point isReadableEXIT(lines 1275 1283) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1275 1283) the Hoare annotation is: true [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2496(lines 2496 2532) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point setClientKeyringPublicKeyEXIT(lines 2492 2535) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2527) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2511(lines 2511 2515) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2507(lines 2507 2531) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2492 2535) the Hoare annotation is: true [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2497(lines 2497 2505) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2522(lines 2522 2526) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2518(lines 2518 2530) no Hoare annotation was computed. [2023-11-29 05:42:17,927 INFO L899 garLoopResultBuilder]: For program point L2518-1(lines 2492 2535) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point L2508(lines 2508 2516) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point L2500(lines 2500 2504) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point L2621(lines 2621 2625) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point L2618(lines 2618 2626) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point L2621-2(lines 2611 2630) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point L2615(lines 2615 2627) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L899 garLoopResultBuilder]: For program point setClientIdEXIT(lines 2611 2630) no Hoare annotation was computed. [2023-11-29 05:42:17,928 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2611 2630) the Hoare annotation is: (and (= |old(~__ste_client_idCounter0~0)| ~__ste_client_idCounter0~0) (= |old(~__ste_client_idCounter1~0)| ~__ste_client_idCounter1~0) (= |old(~__ste_client_idCounter2~0)| ~__ste_client_idCounter2~0)) [2023-11-29 05:42:17,931 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:17,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:42:17,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:42:17 BoogieIcfgContainer [2023-11-29 05:42:17,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:42:17,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:42:17,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:42:17,942 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:42:17,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:39:47" (3/4) ... [2023-11-29 05:42:17,944 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:42:17,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2023-11-29 05:42:17,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2023-11-29 05:42:17,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2023-11-29 05:42:17,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2023-11-29 05:42:17,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2023-11-29 05:42:17,965 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2023-11-29 05:42:17,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2023-11-29 05:42:17,968 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 05:42:17,970 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:42:17,972 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 05:42:17,973 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:42:18,159 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:42:18,160 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:42:18,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:42:18,161 INFO L158 Benchmark]: Toolchain (without parser) took 152485.03ms. Allocated memory was 159.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 106.3MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-11-29 05:42:18,162 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:42:18,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.20ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 121.6MB in the end (delta: -15.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-29 05:42:18,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.19ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 116.2MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:42:18,163 INFO L158 Benchmark]: Boogie Preprocessor took 84.26ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 110.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:42:18,164 INFO L158 Benchmark]: RCFGBuilder took 972.78ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.8MB in the end (delta: -376.8kB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-29 05:42:18,167 INFO L158 Benchmark]: TraceAbstraction took 150389.78ms. Allocated memory was 159.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 110.0MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 5.4GB. Max. memory is 16.1GB. [2023-11-29 05:42:18,168 INFO L158 Benchmark]: Witness Printer took 217.73ms. Allocated memory is still 7.4GB. Free memory was 5.1GB in the beginning and 6.5GB in the end (delta: -1.4GB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 05:42:18,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.20ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 121.6MB in the end (delta: -15.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.19ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 116.2MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.26ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 110.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 972.78ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.8MB in the end (delta: -376.8kB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 150389.78ms. Allocated memory was 159.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 110.0MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 5.4GB. Max. memory is 16.1GB. * Witness Printer took 217.73ms. Allocated memory is still 7.4GB. Free memory was 5.1GB in the beginning and 6.5GB in the end (delta: -1.4GB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] - GenericResultAtLocation [Line: 79]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [79] - GenericResultAtLocation [Line: 371]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [371] - GenericResultAtLocation [Line: 737]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [737] - GenericResultAtLocation [Line: 746]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [781] - GenericResultAtLocation [Line: 1193]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1193] - GenericResultAtLocation [Line: 1210]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1210] - GenericResultAtLocation [Line: 1308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1308] - GenericResultAtLocation [Line: 1562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1562] - GenericResultAtLocation [Line: 2631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2631] * 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: 742]: 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 16 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 150.3s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 105.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11416 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11198 mSDsluCounter, 16917 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12476 mSDsCounter, 2915 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20601 IncrementalHoareTripleChecker+Invalid, 23516 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2915 mSolverCounterUnsat, 4441 mSDtfsCounter, 20601 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1255 GetRequests, 1030 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89447occurred in iteration=21, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 934 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 38945 PreInvPairs, 57797 NumberOfFragments, 166 HoareAnnotationTreeSize, 38945 FomulaSimplifications, 88775204 FormulaSimplificationTreeSizeReduction, 104.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2515 NumberOfCodeBlocks, 2515 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2575 ConstructedInterpolants, 0 QuantifiedInterpolants, 4527 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5487 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 21 PerfectInterpolantSequences, 849/873 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: 2671]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 05:42:18,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3175b2-2b92-40db-8ede-f5d8658d24cf/bin/uautomizer-verify-BQ2R08f2Ya/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