./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX --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 8693f57a03775f9dd58f5523ab36f07a2ce550b119e4923229e8bee683b68937 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:20:04,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:20:04,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:20:04,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:20:04,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:20:04,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:20:04,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:20:04,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:20:04,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:20:04,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:20:04,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:20:04,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:20:04,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:20:04,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:20:04,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:20:04,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:20:04,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:20:04,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:20:04,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:20:04,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:20:04,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:20:04,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:20:04,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:20:04,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:20:04,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:20:04,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:20:04,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:20:04,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:20:04,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:20:04,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:20:04,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:20:04,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:20:04,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:04,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:20:04,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:20:04,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:20:04,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:20:04,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:20:04,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:20:04,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:20:04,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:20:04,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:20:04,610 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_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8693f57a03775f9dd58f5523ab36f07a2ce550b119e4923229e8bee683b68937 [2024-11-08 16:20:04,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:20:04,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:20:04,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:20:04,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:20:04,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:20:04,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/email_spec8_product35.cil.c Unable to find full path for "g++" [2024-11-08 16:20:06,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:20:07,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:20:07,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/sv-benchmarks/c/product-lines/email_spec8_product35.cil.c [2024-11-08 16:20:07,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/data/fe5e9930e/256d03b131e14b3a8999460e2d2c2d60/FLAG4436dac2d [2024-11-08 16:20:07,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/data/fe5e9930e/256d03b131e14b3a8999460e2d2c2d60 [2024-11-08 16:20:07,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:20:07,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:20:07,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:07,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:20:07,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:20:07,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:07" (1/1) ... [2024-11-08 16:20:07,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5409ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:07, skipping insertion in model container [2024-11-08 16:20:07,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:20:07" (1/1) ... [2024-11-08 16:20:07,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:20:08,015 WARN L250 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_b4609e2c-49cd-476a-9db1-fce1c6e898d3/sv-benchmarks/c/product-lines/email_spec8_product35.cil.c[16425,16438] [2024-11-08 16:20:08,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:08,375 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:20:08,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-08 16:20:08,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [528] [2024-11-08 16:20:08,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [571] [2024-11-08 16:20:08,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-11-08 16:20:08,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [904] [2024-11-08 16:20:08,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [939] [2024-11-08 16:20:08,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1338] [2024-11-08 16:20:08,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1704] [2024-11-08 16:20:08,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2764] [2024-11-08 16:20:08,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2986] [2024-11-08 16:20:08,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3121] [2024-11-08 16:20:08,494 WARN L250 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_b4609e2c-49cd-476a-9db1-fce1c6e898d3/sv-benchmarks/c/product-lines/email_spec8_product35.cil.c[16425,16438] [2024-11-08 16:20:08,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:20:08,669 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:20:08,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08 WrapperNode [2024-11-08 16:20:08,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:20:08,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:08,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:20:08,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:20:08,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,827 INFO L138 Inliner]: procedures = 138, calls = 230, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1166 [2024-11-08 16:20:08,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:20:08,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:20:08,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:20:08,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:20:08,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,912 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]. [2024-11-08 16:20:08,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:20:08,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:20:08,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:20:08,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:20:08,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (1/1) ... [2024-11-08 16:20:08,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:20:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:09,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:20:09,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:20:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-08 16:20:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-08 16:20:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-08 16:20:09,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-08 16:20:09,113 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 16:20:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 16:20:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-08 16:20:09,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-08 16:20:09,115 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 16:20:09,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 16:20:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 16:20:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 16:20:09,116 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-08 16:20:09,116 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-08 16:20:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 16:20:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 16:20:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 16:20:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 16:20:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 16:20:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 16:20:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 16:20:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 16:20:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-08 16:20:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-08 16:20:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 16:20:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 16:20:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 16:20:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 16:20:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-08 16:20:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-08 16:20:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 16:20:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 16:20:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:20:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-08 16:20:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-08 16:20:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-08 16:20:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-08 16:20:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-08 16:20:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-08 16:20:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 16:20:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 16:20:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 16:20:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 16:20:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 16:20:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 16:20:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-08 16:20:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-08 16:20:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 16:20:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 16:20:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 16:20:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 16:20:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 16:20:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 16:20:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 16:20:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 16:20:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:20:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:20:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:20:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:20:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 16:20:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 16:20:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-08 16:20:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-08 16:20:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:20:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:20:09,530 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:20:09,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:20:11,338 INFO L? ?]: Removed 610 outVars from TransFormulas that were not future-live. [2024-11-08 16:20:11,338 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:20:11,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:20:11,383 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:20:11,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:11 BoogieIcfgContainer [2024-11-08 16:20:11,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:20:11,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:20:11,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:20:11,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:20:11,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:20:07" (1/3) ... [2024-11-08 16:20:11,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1558b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:11, skipping insertion in model container [2024-11-08 16:20:11,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:20:08" (2/3) ... [2024-11-08 16:20:11,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1558b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:20:11, skipping insertion in model container [2024-11-08 16:20:11,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:20:11" (3/3) ... [2024-11-08 16:20:11,401 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product35.cil.c [2024-11-08 16:20:11,424 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:20:11,424 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:20:11,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:20:11,534 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a764745, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:20:11,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:20:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 467 states, 361 states have (on average 1.5346260387811634) internal successors, (554), 366 states have internal predecessors, (554), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-08 16:20:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 16:20:11,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:11,581 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:11,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:11,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:11,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1185015083, now seen corresponding path program 1 times [2024-11-08 16:20:11,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:11,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188280332] [2024-11-08 16:20:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:11,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:20:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:20:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:20:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:20:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 16:20:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:20:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 16:20:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:20:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 16:20:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:20:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 16:20:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:20:12,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:12,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188280332] [2024-11-08 16:20:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188280332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:20:12,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429762363] [2024-11-08 16:20:12,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:12,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:12,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:12,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:20:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:13,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:20:13,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:20:13,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:13,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429762363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:13,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:20:13,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 16:20:13,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157675010] [2024-11-08 16:20:13,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:13,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:20:13,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:13,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:20:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:20:13,530 INFO L87 Difference]: Start difference. First operand has 467 states, 361 states have (on average 1.5346260387811634) internal successors, (554), 366 states have internal predecessors, (554), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:13,661 INFO L93 Difference]: Finished difference Result 736 states and 1090 transitions. [2024-11-08 16:20:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:20:13,663 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-11-08 16:20:13,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:13,691 INFO L225 Difference]: With dead ends: 736 [2024-11-08 16:20:13,692 INFO L226 Difference]: Without dead ends: 460 [2024-11-08 16:20:13,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:20:13,704 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:13,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-08 16:20:13,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2024-11-08 16:20:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 355 states have (on average 1.5295774647887324) internal successors, (543), 359 states have internal predecessors, (543), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-08 16:20:13,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 692 transitions. [2024-11-08 16:20:13,837 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 692 transitions. Word has length 110 [2024-11-08 16:20:13,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:13,840 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 692 transitions. [2024-11-08 16:20:13,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 692 transitions. [2024-11-08 16:20:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 16:20:13,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:13,852 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:13,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:20:14,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 16:20:14,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:14,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:14,054 INFO L85 PathProgramCache]: Analyzing trace with hash 782229316, now seen corresponding path program 1 times [2024-11-08 16:20:14,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:14,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672483306] [2024-11-08 16:20:14,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:14,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:20:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:20:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:20:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 16:20:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:20:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:20:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 16:20:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:20:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:20:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 16:20:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:20:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 16:20:14,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:14,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672483306] [2024-11-08 16:20:14,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672483306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:20:14,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82200215] [2024-11-08 16:20:14,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:14,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:14,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:14,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:20:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:14,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:20:14,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:20:14,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:14,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82200215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:14,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:20:14,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 16:20:14,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102484694] [2024-11-08 16:20:14,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:14,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:20:14,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:20:14,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:20:14,900 INFO L87 Difference]: Start difference. First operand 460 states and 692 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:14,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:14,971 INFO L93 Difference]: Finished difference Result 726 states and 1068 transitions. [2024-11-08 16:20:14,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:20:14,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2024-11-08 16:20:14,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:14,976 INFO L225 Difference]: With dead ends: 726 [2024-11-08 16:20:14,976 INFO L226 Difference]: Without dead ends: 463 [2024-11-08 16:20:14,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:20:14,979 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 1 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:14,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1378 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-08 16:20:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 462. [2024-11-08 16:20:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 357 states have (on average 1.526610644257703) internal successors, (545), 361 states have internal predecessors, (545), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-08 16:20:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 694 transitions. [2024-11-08 16:20:15,027 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 694 transitions. Word has length 111 [2024-11-08 16:20:15,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:15,028 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 694 transitions. [2024-11-08 16:20:15,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 694 transitions. [2024-11-08 16:20:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 16:20:15,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:15,032 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:15,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:20:15,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:15,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:15,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:15,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1119407074, now seen corresponding path program 1 times [2024-11-08 16:20:15,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:15,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167361544] [2024-11-08 16:20:15,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:15,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:20:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:20:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:20:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 16:20:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:20:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:20:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:20:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:20:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:20:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:20:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:20:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:20:15,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:15,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167361544] [2024-11-08 16:20:15,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167361544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:20:15,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129320114] [2024-11-08 16:20:15,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:15,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:15,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:20:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:15,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:20:15,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:20:16,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:16,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129320114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:16,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:20:16,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 16:20:16,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582820738] [2024-11-08 16:20:16,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:16,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:20:16,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:16,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:20:16,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:20:16,028 INFO L87 Difference]: Start difference. First operand 462 states and 694 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:16,075 INFO L93 Difference]: Finished difference Result 977 states and 1488 transitions. [2024-11-08 16:20:16,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:20:16,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2024-11-08 16:20:16,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:16,083 INFO L225 Difference]: With dead ends: 977 [2024-11-08 16:20:16,083 INFO L226 Difference]: Without dead ends: 542 [2024-11-08 16:20:16,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:20:16,087 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 142 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:16,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1349 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-08 16:20:16,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 534. [2024-11-08 16:20:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 415 states have (on average 1.546987951807229) internal successors, (642), 419 states have internal predecessors, (642), 89 states have call successors, (89), 29 states have call predecessors, (89), 29 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 16:20:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 819 transitions. [2024-11-08 16:20:16,134 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 819 transitions. Word has length 120 [2024-11-08 16:20:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:16,136 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 819 transitions. [2024-11-08 16:20:16,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 819 transitions. [2024-11-08 16:20:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 16:20:16,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:16,139 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:16,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 16:20:16,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:16,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:16,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2018955159, now seen corresponding path program 1 times [2024-11-08 16:20:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678778832] [2024-11-08 16:20:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 16:20:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 16:20:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 16:20:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 16:20:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 16:20:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:20:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:20:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:20:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:20:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:20:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:20:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:20:16,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:16,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678778832] [2024-11-08 16:20:16,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678778832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:20:16,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571286370] [2024-11-08 16:20:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:16,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:16,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:16,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:16,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:20:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:20:17,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:20:17,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:17,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571286370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:17,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:20:17,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 16:20:17,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055520873] [2024-11-08 16:20:17,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:17,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:20:17,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:17,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:20:17,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:20:17,134 INFO L87 Difference]: Start difference. First operand 534 states and 819 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:17,224 INFO L93 Difference]: Finished difference Result 1059 states and 1628 transitions. [2024-11-08 16:20:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:20:17,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2024-11-08 16:20:17,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:17,230 INFO L225 Difference]: With dead ends: 1059 [2024-11-08 16:20:17,231 INFO L226 Difference]: Without dead ends: 536 [2024-11-08 16:20:17,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:20:17,234 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 2 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:17,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2725 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:17,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-08 16:20:17,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-08 16:20:17,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 416 states have (on average 1.5456730769230769) internal successors, (643), 421 states have internal predecessors, (643), 89 states have call successors, (89), 29 states have call predecessors, (89), 30 states have return successors, (90), 87 states have call predecessors, (90), 88 states have call successors, (90) [2024-11-08 16:20:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 822 transitions. [2024-11-08 16:20:17,267 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 822 transitions. Word has length 121 [2024-11-08 16:20:17,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:17,268 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 822 transitions. [2024-11-08 16:20:17,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 822 transitions. [2024-11-08 16:20:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 16:20:17,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:17,272 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:17,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:20:17,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:17,475 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:17,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:17,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1279146426, now seen corresponding path program 1 times [2024-11-08 16:20:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:17,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629104345] [2024-11-08 16:20:17,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:17,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 16:20:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:20:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:20:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 16:20:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:20:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 16:20:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:20:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 16:20:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:20:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 16:20:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 16:20:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:17,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629104345] [2024-11-08 16:20:17,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629104345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:20:17,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091589554] [2024-11-08 16:20:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:17,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:17,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:17,861 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:17,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:20:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:20:18,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 16:20:18,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:20:18,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091589554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:18,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:20:18,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 16:20:18,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334797458] [2024-11-08 16:20:18,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:18,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:20:18,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:18,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:20:18,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:20:18,290 INFO L87 Difference]: Start difference. First operand 536 states and 822 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:18,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:18,377 INFO L93 Difference]: Finished difference Result 1061 states and 1633 transitions. [2024-11-08 16:20:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:20:18,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-11-08 16:20:18,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:18,383 INFO L225 Difference]: With dead ends: 1061 [2024-11-08 16:20:18,383 INFO L226 Difference]: Without dead ends: 538 [2024-11-08 16:20:18,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:20:18,387 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 2 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:18,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2711 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:20:18,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-08 16:20:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-08 16:20:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 417 states have (on average 1.5443645083932853) internal successors, (644), 423 states have internal predecessors, (644), 89 states have call successors, (89), 29 states have call predecessors, (89), 31 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-08 16:20:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 828 transitions. [2024-11-08 16:20:18,413 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 828 transitions. Word has length 122 [2024-11-08 16:20:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:18,416 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 828 transitions. [2024-11-08 16:20:18,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 828 transitions. [2024-11-08 16:20:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 16:20:18,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:18,420 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:18,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 16:20:18,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:18,625 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:18,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:18,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1293265471, now seen corresponding path program 1 times [2024-11-08 16:20:18,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:18,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887064581] [2024-11-08 16:20:18,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:18,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:20:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:20:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:20:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 16:20:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:20:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:20:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 16:20:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 16:20:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 16:20:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:20:18,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:18,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887064581] [2024-11-08 16:20:18,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887064581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:18,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:18,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:20:18,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642980153] [2024-11-08 16:20:18,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:18,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:20:18,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:18,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:20:18,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:20:18,934 INFO L87 Difference]: Start difference. First operand 538 states and 828 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:23,022 INFO L93 Difference]: Finished difference Result 1287 states and 2007 transitions. [2024-11-08 16:20:23,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:20:23,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-08 16:20:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:23,031 INFO L225 Difference]: With dead ends: 1287 [2024-11-08 16:20:23,031 INFO L226 Difference]: Without dead ends: 772 [2024-11-08 16:20:23,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:20:23,035 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1678 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3399 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 4006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 3399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:23,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 1402 Invalid, 4006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [607 Valid, 3399 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-08 16:20:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-11-08 16:20:23,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 538. [2024-11-08 16:20:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 417 states have (on average 1.5443645083932853) internal successors, (644), 423 states have internal predecessors, (644), 89 states have call successors, (89), 29 states have call predecessors, (89), 31 states have return successors, (94), 87 states have call predecessors, (94), 88 states have call successors, (94) [2024-11-08 16:20:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 827 transitions. [2024-11-08 16:20:23,105 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 827 transitions. Word has length 123 [2024-11-08 16:20:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:23,106 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 827 transitions. [2024-11-08 16:20:23,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 827 transitions. [2024-11-08 16:20:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 16:20:23,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:23,111 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:23,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:20:23,112 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:23,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash -128999550, now seen corresponding path program 2 times [2024-11-08 16:20:23,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:23,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654817706] [2024-11-08 16:20:23,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 16:20:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:20:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 16:20:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:20:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:20:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 16:20:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:20:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:20:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 16:20:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 16:20:23,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:23,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654817706] [2024-11-08 16:20:23,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654817706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:23,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:23,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:20:23,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720043725] [2024-11-08 16:20:23,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:23,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:20:23,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:23,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:20:23,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:20:23,451 INFO L87 Difference]: Start difference. First operand 538 states and 827 transitions. Second operand has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:27,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:27,090 INFO L93 Difference]: Finished difference Result 1289 states and 2010 transitions. [2024-11-08 16:20:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:20:27,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-11-08 16:20:27,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:27,097 INFO L225 Difference]: With dead ends: 1289 [2024-11-08 16:20:27,098 INFO L226 Difference]: Without dead ends: 774 [2024-11-08 16:20:27,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:20:27,101 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1785 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3243 mSolverCounterSat, 622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 3865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 622 IncrementalHoareTripleChecker+Valid, 3243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:27,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 1401 Invalid, 3865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [622 Valid, 3243 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 16:20:27,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-11-08 16:20:27,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 540. [2024-11-08 16:20:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 418 states have (on average 1.5430622009569377) internal successors, (645), 425 states have internal predecessors, (645), 89 states have call successors, (89), 29 states have call predecessors, (89), 32 states have return successors, (96), 87 states have call predecessors, (96), 88 states have call successors, (96) [2024-11-08 16:20:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 830 transitions. [2024-11-08 16:20:27,177 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 830 transitions. Word has length 124 [2024-11-08 16:20:27,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:27,178 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 830 transitions. [2024-11-08 16:20:27,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:20:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 830 transitions. [2024-11-08 16:20:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 16:20:27,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:27,181 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:27,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:20:27,181 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:27,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:27,182 INFO L85 PathProgramCache]: Analyzing trace with hash -323328282, now seen corresponding path program 1 times [2024-11-08 16:20:27,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:27,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146512782] [2024-11-08 16:20:27,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:20:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:20:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:20:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 16:20:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:20:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:20:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 16:20:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 16:20:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 16:20:27,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:27,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146512782] [2024-11-08 16:20:27,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146512782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:27,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:27,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:20:27,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158884198] [2024-11-08 16:20:27,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:27,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:20:27,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:27,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:20:27,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:20:27,482 INFO L87 Difference]: Start difference. First operand 540 states and 830 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 16:20:32,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:32,043 INFO L93 Difference]: Finished difference Result 1287 states and 2005 transitions. [2024-11-08 16:20:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:20:32,044 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125 [2024-11-08 16:20:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:32,052 INFO L225 Difference]: With dead ends: 1287 [2024-11-08 16:20:32,052 INFO L226 Difference]: Without dead ends: 774 [2024-11-08 16:20:32,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:20:32,056 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1796 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5237 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 5876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 5237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:32,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 1941 Invalid, 5876 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [639 Valid, 5237 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-08 16:20:32,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-11-08 16:20:32,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 540. [2024-11-08 16:20:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 418 states have (on average 1.5430622009569377) internal successors, (645), 425 states have internal predecessors, (645), 89 states have call successors, (89), 29 states have call predecessors, (89), 32 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-08 16:20:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 829 transitions. [2024-11-08 16:20:32,134 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 829 transitions. Word has length 125 [2024-11-08 16:20:32,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:32,135 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 829 transitions. [2024-11-08 16:20:32,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 16:20:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 829 transitions. [2024-11-08 16:20:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 16:20:32,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:32,140 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:32,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:20:32,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:32,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:32,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1912280707, now seen corresponding path program 2 times [2024-11-08 16:20:32,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:32,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336264956] [2024-11-08 16:20:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 16:20:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:20:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:20:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:20:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:20:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:20:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:20:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:20:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 16:20:32,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:32,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336264956] [2024-11-08 16:20:32,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336264956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:32,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:32,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:20:32,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300333904] [2024-11-08 16:20:32,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:32,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:20:32,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:32,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:20:32,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:20:32,628 INFO L87 Difference]: Start difference. First operand 540 states and 829 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 16:20:37,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:37,468 INFO L93 Difference]: Finished difference Result 1289 states and 2011 transitions. [2024-11-08 16:20:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:20:37,469 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 126 [2024-11-08 16:20:37,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:37,477 INFO L225 Difference]: With dead ends: 1289 [2024-11-08 16:20:37,478 INFO L226 Difference]: Without dead ends: 776 [2024-11-08 16:20:37,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:20:37,482 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1796 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5277 mSolverCounterSat, 630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 5907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 630 IncrementalHoareTripleChecker+Valid, 5277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:37,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 1944 Invalid, 5907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [630 Valid, 5277 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-08 16:20:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-08 16:20:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 542. [2024-11-08 16:20:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 419 states have (on average 1.541766109785203) internal successors, (646), 427 states have internal predecessors, (646), 89 states have call successors, (89), 29 states have call predecessors, (89), 33 states have return successors, (100), 87 states have call predecessors, (100), 88 states have call successors, (100) [2024-11-08 16:20:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 835 transitions. [2024-11-08 16:20:37,552 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 835 transitions. Word has length 126 [2024-11-08 16:20:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:37,553 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 835 transitions. [2024-11-08 16:20:37,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 16:20:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 835 transitions. [2024-11-08 16:20:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 16:20:37,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:37,557 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:37,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:20:37,557 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:37,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash -633627829, now seen corresponding path program 1 times [2024-11-08 16:20:37,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:37,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60083451] [2024-11-08 16:20:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:37,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 16:20:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 16:20:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:20:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 16:20:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:20:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:20:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:20:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:20:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-08 16:20:37,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:37,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60083451] [2024-11-08 16:20:37,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60083451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:20:37,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269868177] [2024-11-08 16:20:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:37,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:37,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:20:37,990 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:20:37,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 16:20:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:38,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:20:38,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:20:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:38,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:20:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:38,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269868177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:20:38,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:20:38,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-08 16:20:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656941037] [2024-11-08 16:20:38,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:20:38,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 16:20:38,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:38,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 16:20:38,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:20:38,689 INFO L87 Difference]: Start difference. First operand 542 states and 835 transitions. Second operand has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-08 16:20:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:43,604 INFO L93 Difference]: Finished difference Result 1754 states and 2848 transitions. [2024-11-08 16:20:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:20:43,605 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 127 [2024-11-08 16:20:43,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:43,614 INFO L225 Difference]: With dead ends: 1754 [2024-11-08 16:20:43,614 INFO L226 Difference]: Without dead ends: 1243 [2024-11-08 16:20:43,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-08 16:20:43,617 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 3392 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 5174 mSolverCounterSat, 1067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 6241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 5174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:43,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 2266 Invalid, 6241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1067 Valid, 5174 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 16:20:43,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2024-11-08 16:20:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 985. [2024-11-08 16:20:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 783 states have (on average 1.5989782886334611) internal successors, (1252), 791 states have internal predecessors, (1252), 168 states have call successors, (168), 29 states have call predecessors, (168), 33 states have return successors, (189), 166 states have call predecessors, (189), 167 states have call successors, (189) [2024-11-08 16:20:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1609 transitions. [2024-11-08 16:20:43,697 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1609 transitions. Word has length 127 [2024-11-08 16:20:43,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:43,698 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1609 transitions. [2024-11-08 16:20:43,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-08 16:20:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1609 transitions. [2024-11-08 16:20:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:20:43,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:43,704 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:43,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 16:20:43,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4609e2c-49cd-476a-9db1-fce1c6e898d3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:20:43,904 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:43,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:43,905 INFO L85 PathProgramCache]: Analyzing trace with hash 17344597, now seen corresponding path program 1 times [2024-11-08 16:20:43,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:43,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945870425] [2024-11-08 16:20:43,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:43,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:20:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:20:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 16:20:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:20:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:20:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 16:20:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 16:20:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 16:20:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:44,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:44,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945870425] [2024-11-08 16:20:44,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945870425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:44,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:44,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:20:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781048418] [2024-11-08 16:20:44,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:44,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:20:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:44,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:20:44,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:20:44,051 INFO L87 Difference]: Start difference. First operand 985 states and 1609 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:46,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:46,406 INFO L93 Difference]: Finished difference Result 2549 states and 4257 transitions. [2024-11-08 16:20:46,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:20:46,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-08 16:20:46,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:46,415 INFO L225 Difference]: With dead ends: 2549 [2024-11-08 16:20:46,415 INFO L226 Difference]: Without dead ends: 1642 [2024-11-08 16:20:46,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:20:46,419 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1798 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 2670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:46,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 1105 Invalid, 2670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:20:46,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-11-08 16:20:46,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1400. [2024-11-08 16:20:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1119 states have (on average 1.6193029490616622) internal successors, (1812), 1127 states have internal predecessors, (1812), 247 states have call successors, (247), 29 states have call predecessors, (247), 33 states have return successors, (278), 245 states have call predecessors, (278), 246 states have call successors, (278) [2024-11-08 16:20:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2337 transitions. [2024-11-08 16:20:46,519 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2337 transitions. Word has length 130 [2024-11-08 16:20:46,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:46,519 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 2337 transitions. [2024-11-08 16:20:46,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2337 transitions. [2024-11-08 16:20:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 16:20:46,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:46,527 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:46,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:20:46,527 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:46,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:46,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1460543887, now seen corresponding path program 1 times [2024-11-08 16:20:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:46,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892558732] [2024-11-08 16:20:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 16:20:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:20:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:20:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:20:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:20:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:20:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 16:20:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 16:20:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:46,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:46,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892558732] [2024-11-08 16:20:46,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892558732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:46,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:46,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:20:46,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304815936] [2024-11-08 16:20:46,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:46,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:20:46,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:20:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:20:46,708 INFO L87 Difference]: Start difference. First operand 1400 states and 2337 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:49,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:49,069 INFO L93 Difference]: Finished difference Result 3588 states and 6070 transitions. [2024-11-08 16:20:49,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:20:49,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-11-08 16:20:49,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:49,087 INFO L225 Difference]: With dead ends: 3588 [2024-11-08 16:20:49,088 INFO L226 Difference]: Without dead ends: 2319 [2024-11-08 16:20:49,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:20:49,094 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1850 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:49,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 1067 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:20:49,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-11-08 16:20:49,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2077. [2024-11-08 16:20:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 1677 states have (on average 1.6302921884317234) internal successors, (2734), 1685 states have internal predecessors, (2734), 366 states have call successors, (366), 29 states have call predecessors, (366), 33 states have return successors, (397), 364 states have call predecessors, (397), 365 states have call successors, (397) [2024-11-08 16:20:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3497 transitions. [2024-11-08 16:20:49,274 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3497 transitions. Word has length 131 [2024-11-08 16:20:49,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:49,275 INFO L471 AbstractCegarLoop]: Abstraction has 2077 states and 3497 transitions. [2024-11-08 16:20:49,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3497 transitions. [2024-11-08 16:20:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:20:49,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:49,288 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:49,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:20:49,289 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:49,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:49,289 INFO L85 PathProgramCache]: Analyzing trace with hash 199582471, now seen corresponding path program 1 times [2024-11-08 16:20:49,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:49,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620846536] [2024-11-08 16:20:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 16:20:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 16:20:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:20:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:20:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 16:20:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:20:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 16:20:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:20:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:49,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:49,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620846536] [2024-11-08 16:20:49,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620846536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:49,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:49,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:20:49,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679361023] [2024-11-08 16:20:49,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:49,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:20:49,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:49,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:20:49,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:20:49,459 INFO L87 Difference]: Start difference. First operand 2077 states and 3497 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:52,179 INFO L93 Difference]: Finished difference Result 5173 states and 8849 transitions. [2024-11-08 16:20:52,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:20:52,179 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-08 16:20:52,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:52,202 INFO L225 Difference]: With dead ends: 5173 [2024-11-08 16:20:52,202 INFO L226 Difference]: Without dead ends: 3362 [2024-11-08 16:20:52,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:20:52,211 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1924 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:52,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 1021 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 16:20:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2024-11-08 16:20:52,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3120. [2024-11-08 16:20:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 2558 states have (on average 1.638780297107115) internal successors, (4192), 2566 states have internal predecessors, (4192), 528 states have call successors, (528), 29 states have call predecessors, (528), 33 states have return successors, (575), 526 states have call predecessors, (575), 527 states have call successors, (575) [2024-11-08 16:20:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 5295 transitions. [2024-11-08 16:20:52,484 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 5295 transitions. Word has length 132 [2024-11-08 16:20:52,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:52,485 INFO L471 AbstractCegarLoop]: Abstraction has 3120 states and 5295 transitions. [2024-11-08 16:20:52,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 5295 transitions. [2024-11-08 16:20:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 16:20:52,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:52,505 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:52,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:20:52,506 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:52,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:52,507 INFO L85 PathProgramCache]: Analyzing trace with hash -479886450, now seen corresponding path program 1 times [2024-11-08 16:20:52,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:52,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487020442] [2024-11-08 16:20:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 16:20:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:20:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 16:20:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 16:20:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:20:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:20:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 16:20:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:20:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:52,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:52,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487020442] [2024-11-08 16:20:52,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487020442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:52,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:52,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:20:52,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051429855] [2024-11-08 16:20:52,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:52,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:20:52,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:52,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:20:52,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:20:52,687 INFO L87 Difference]: Start difference. First operand 3120 states and 5295 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:55,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:55,160 INFO L93 Difference]: Finished difference Result 7687 states and 13264 transitions. [2024-11-08 16:20:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:20:55,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-08 16:20:55,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:55,189 INFO L225 Difference]: With dead ends: 7687 [2024-11-08 16:20:55,189 INFO L226 Difference]: Without dead ends: 5052 [2024-11-08 16:20:55,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:20:55,198 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1903 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:55,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1922 Valid, 1023 Invalid, 2538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:20:55,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5052 states. [2024-11-08 16:20:55,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5052 to 4810. [2024-11-08 16:20:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4810 states, 4003 states have (on average 1.6447664251811143) internal successors, (6584), 4011 states have internal predecessors, (6584), 773 states have call successors, (773), 29 states have call predecessors, (773), 33 states have return successors, (846), 771 states have call predecessors, (846), 772 states have call successors, (846) [2024-11-08 16:20:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 8203 transitions. [2024-11-08 16:20:55,500 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 8203 transitions. Word has length 133 [2024-11-08 16:20:55,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:55,500 INFO L471 AbstractCegarLoop]: Abstraction has 4810 states and 8203 transitions. [2024-11-08 16:20:55,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 8203 transitions. [2024-11-08 16:20:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:20:55,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:55,516 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:55,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:20:55,517 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:55,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:55,517 INFO L85 PathProgramCache]: Analyzing trace with hash 862119243, now seen corresponding path program 1 times [2024-11-08 16:20:55,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:55,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711824180] [2024-11-08 16:20:55,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:55,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:20:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:20:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 16:20:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 16:20:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 16:20:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 16:20:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 16:20:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 16:20:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:55,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:55,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711824180] [2024-11-08 16:20:55,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711824180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:55,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:55,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:20:55,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416248878] [2024-11-08 16:20:55,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:55,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:20:55,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:55,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:20:55,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:20:55,669 INFO L87 Difference]: Start difference. First operand 4810 states and 8203 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:58,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:20:58,274 INFO L93 Difference]: Finished difference Result 11888 states and 20641 transitions. [2024-11-08 16:20:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:20:58,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-08 16:20:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:20:58,321 INFO L225 Difference]: With dead ends: 11888 [2024-11-08 16:20:58,321 INFO L226 Difference]: Without dead ends: 7895 [2024-11-08 16:20:58,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:20:58,335 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1832 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:20:58,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 1057 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1917 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:20:58,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7895 states. [2024-11-08 16:20:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7895 to 7653. [2024-11-08 16:20:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7653 states, 6353 states have (on average 1.6437903352746734) internal successors, (10443), 6361 states have internal predecessors, (10443), 1266 states have call successors, (1266), 29 states have call predecessors, (1266), 33 states have return successors, (1383), 1264 states have call predecessors, (1383), 1265 states have call successors, (1383) [2024-11-08 16:20:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7653 states to 7653 states and 13092 transitions. [2024-11-08 16:20:58,832 INFO L78 Accepts]: Start accepts. Automaton has 7653 states and 13092 transitions. Word has length 134 [2024-11-08 16:20:58,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:20:58,833 INFO L471 AbstractCegarLoop]: Abstraction has 7653 states and 13092 transitions. [2024-11-08 16:20:58,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:20:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 7653 states and 13092 transitions. [2024-11-08 16:20:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 16:20:58,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:20:58,858 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:20:58,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:20:58,859 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:20:58,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:20:58,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1068666186, now seen corresponding path program 1 times [2024-11-08 16:20:58,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:20:58,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573665039] [2024-11-08 16:20:58,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:20:58,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:20:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:20:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:20:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:20:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:20:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:20:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:20:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 16:20:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:20:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 16:20:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:58,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 16:20:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 16:20:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:59,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 16:20:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:59,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 16:20:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 16:20:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:20:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:20:59,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:20:59,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573665039] [2024-11-08 16:20:59,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573665039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:20:59,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:20:59,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:20:59,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155477883] [2024-11-08 16:20:59,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:20:59,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:20:59,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:20:59,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:20:59,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:20:59,017 INFO L87 Difference]: Start difference. First operand 7653 states and 13092 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:01,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:01,768 INFO L93 Difference]: Finished difference Result 19503 states and 33917 transitions. [2024-11-08 16:21:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:21:01,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2024-11-08 16:21:01,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:01,836 INFO L225 Difference]: With dead ends: 19503 [2024-11-08 16:21:01,837 INFO L226 Difference]: Without dead ends: 13069 [2024-11-08 16:21:01,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:21:01,951 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1799 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:01,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 1024 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:21:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13069 states. [2024-11-08 16:21:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13069 to 12827. [2024-11-08 16:21:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12827 states, 10705 states have (on average 1.6446520317608595) internal successors, (17606), 10713 states have internal predecessors, (17606), 2088 states have call successors, (2088), 29 states have call predecessors, (2088), 33 states have return successors, (2283), 2086 states have call predecessors, (2283), 2087 states have call successors, (2283) [2024-11-08 16:21:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12827 states to 12827 states and 21977 transitions. [2024-11-08 16:21:02,840 INFO L78 Accepts]: Start accepts. Automaton has 12827 states and 21977 transitions. Word has length 135 [2024-11-08 16:21:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:02,841 INFO L471 AbstractCegarLoop]: Abstraction has 12827 states and 21977 transitions. [2024-11-08 16:21:02,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12827 states and 21977 transitions. [2024-11-08 16:21:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:21:02,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:02,892 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:02,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:21:02,893 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:02,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:02,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1764557213, now seen corresponding path program 1 times [2024-11-08 16:21:02,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:02,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536945429] [2024-11-08 16:21:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:21:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:21:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:21:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:21:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:21:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:21:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:21:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 16:21:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 16:21:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 16:21:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 16:21:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 16:21:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 16:21:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:21:03,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:03,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536945429] [2024-11-08 16:21:03,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536945429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:03,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:03,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:21:03,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874115258] [2024-11-08 16:21:03,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:03,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:21:03,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:03,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:21:03,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:21:03,135 INFO L87 Difference]: Start difference. First operand 12827 states and 21977 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:06,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:06,487 INFO L93 Difference]: Finished difference Result 30986 states and 53617 transitions. [2024-11-08 16:21:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:21:06,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-08 16:21:06,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:06,581 INFO L225 Difference]: With dead ends: 30986 [2024-11-08 16:21:06,581 INFO L226 Difference]: Without dead ends: 20382 [2024-11-08 16:21:06,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:21:06,611 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1793 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1929 mSolverCounterSat, 666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 666 IncrementalHoareTripleChecker+Valid, 1929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:06,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 998 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [666 Valid, 1929 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 16:21:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20382 states. [2024-11-08 16:21:07,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20382 to 20140. [2024-11-08 16:21:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20140 states, 16815 states have (on average 1.6206958073148974) internal successors, (27252), 16823 states have internal predecessors, (27252), 3291 states have call successors, (3291), 29 states have call predecessors, (3291), 33 states have return successors, (3630), 3289 states have call predecessors, (3630), 3290 states have call successors, (3630) [2024-11-08 16:21:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20140 states to 20140 states and 34173 transitions. [2024-11-08 16:21:07,709 INFO L78 Accepts]: Start accepts. Automaton has 20140 states and 34173 transitions. Word has length 136 [2024-11-08 16:21:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:07,710 INFO L471 AbstractCegarLoop]: Abstraction has 20140 states and 34173 transitions. [2024-11-08 16:21:07,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 20140 states and 34173 transitions. [2024-11-08 16:21:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 16:21:07,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:07,749 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:07,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:21:07,750 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:07,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:07,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1815633367, now seen corresponding path program 1 times [2024-11-08 16:21:07,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:07,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385983409] [2024-11-08 16:21:07,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:07,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:21:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:21:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:21:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:21:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:21:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:21:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 16:21:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 16:21:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 16:21:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 16:21:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 16:21:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 16:21:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 16:21:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 16:21:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:21:07,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:07,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385983409] [2024-11-08 16:21:07,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385983409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:07,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:07,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:21:07,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901833183] [2024-11-08 16:21:07,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:07,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:21:07,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:07,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:21:07,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:21:07,947 INFO L87 Difference]: Start difference. First operand 20140 states and 34173 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:12,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:12,235 INFO L93 Difference]: Finished difference Result 53428 states and 92151 transitions. [2024-11-08 16:21:12,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:21:12,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-08 16:21:12,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:12,389 INFO L225 Difference]: With dead ends: 53428 [2024-11-08 16:21:12,389 INFO L226 Difference]: Without dead ends: 36188 [2024-11-08 16:21:12,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:21:12,445 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1871 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:12,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 1023 Invalid, 2504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 16:21:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36188 states. [2024-11-08 16:21:14,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36188 to 35946. [2024-11-08 16:21:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35946 states, 30171 states have (on average 1.6179112392694972) internal successors, (48814), 30179 states have internal predecessors, (48814), 5741 states have call successors, (5741), 29 states have call predecessors, (5741), 33 states have return successors, (6354), 5739 states have call predecessors, (6354), 5740 states have call successors, (6354) [2024-11-08 16:21:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35946 states to 35946 states and 60909 transitions. [2024-11-08 16:21:14,669 INFO L78 Accepts]: Start accepts. Automaton has 35946 states and 60909 transitions. Word has length 137 [2024-11-08 16:21:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:14,670 INFO L471 AbstractCegarLoop]: Abstraction has 35946 states and 60909 transitions. [2024-11-08 16:21:14,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 35946 states and 60909 transitions. [2024-11-08 16:21:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:21:14,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:14,734 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:14,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:21:14,734 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:14,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:14,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1951862083, now seen corresponding path program 1 times [2024-11-08 16:21:14,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:14,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091900593] [2024-11-08 16:21:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:21:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:21:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:21:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:21:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:21:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:21:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 16:21:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 16:21:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 16:21:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 16:21:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 16:21:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 16:21:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 16:21:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:21:14,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:14,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091900593] [2024-11-08 16:21:14,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091900593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:14,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:14,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:21:14,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545466605] [2024-11-08 16:21:14,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:14,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:21:14,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:14,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:21:14,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:21:14,966 INFO L87 Difference]: Start difference. First operand 35946 states and 60909 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:20,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:20,071 INFO L93 Difference]: Finished difference Result 98275 states and 168710 transitions. [2024-11-08 16:21:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:21:20,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-08 16:21:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:20,369 INFO L225 Difference]: With dead ends: 98275 [2024-11-08 16:21:20,369 INFO L226 Difference]: Without dead ends: 66185 [2024-11-08 16:21:20,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:21:20,463 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1870 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 675 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 2558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 675 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:20,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 1059 Invalid, 2558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [675 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 16:21:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66185 states. [2024-11-08 16:21:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66185 to 65943. [2024-11-08 16:21:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65943 states, 55655 states have (on average 1.613996945467613) internal successors, (89827), 55663 states have internal predecessors, (89827), 10254 states have call successors, (10254), 29 states have call predecessors, (10254), 33 states have return successors, (11399), 10252 states have call predecessors, (11399), 10253 states have call successors, (11399) [2024-11-08 16:21:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65943 states to 65943 states and 111480 transitions. [2024-11-08 16:21:24,400 INFO L78 Accepts]: Start accepts. Automaton has 65943 states and 111480 transitions. Word has length 138 [2024-11-08 16:21:24,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:24,400 INFO L471 AbstractCegarLoop]: Abstraction has 65943 states and 111480 transitions. [2024-11-08 16:21:24,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 65943 states and 111480 transitions. [2024-11-08 16:21:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 16:21:24,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:24,456 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:24,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:21:24,456 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:24,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1570127095, now seen corresponding path program 1 times [2024-11-08 16:21:24,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:24,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539039590] [2024-11-08 16:21:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:24,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:21:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:21:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:21:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:21:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:21:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:21:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 16:21:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 16:21:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 16:21:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 16:21:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:21:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:21:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 16:21:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 16:21:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:21:24,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:24,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539039590] [2024-11-08 16:21:24,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539039590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:24,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:24,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:21:24,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620620419] [2024-11-08 16:21:24,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:24,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:21:24,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:24,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:21:24,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:21:24,641 INFO L87 Difference]: Start difference. First operand 65943 states and 111480 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:30,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:30,500 INFO L93 Difference]: Finished difference Result 123936 states and 213143 transitions. [2024-11-08 16:21:30,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:21:30,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2024-11-08 16:21:30,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:31,127 INFO L225 Difference]: With dead ends: 123936 [2024-11-08 16:21:31,127 INFO L226 Difference]: Without dead ends: 123673 [2024-11-08 16:21:31,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:21:31,178 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1763 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 637 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:31,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 1065 Invalid, 2637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [637 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 16:21:31,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123673 states. [2024-11-08 16:21:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123673 to 123431. [2024-11-08 16:21:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123431 states, 104775 states have (on average 1.6089620615604867) internal successors, (168579), 104783 states have internal predecessors, (168579), 18622 states have call successors, (18622), 29 states have call predecessors, (18622), 33 states have return successors, (20813), 18620 states have call predecessors, (20813), 18621 states have call successors, (20813) [2024-11-08 16:21:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123431 states to 123431 states and 208014 transitions. [2024-11-08 16:21:36,819 INFO L78 Accepts]: Start accepts. Automaton has 123431 states and 208014 transitions. Word has length 139 [2024-11-08 16:21:36,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:36,820 INFO L471 AbstractCegarLoop]: Abstraction has 123431 states and 208014 transitions. [2024-11-08 16:21:36,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 123431 states and 208014 transitions. [2024-11-08 16:21:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:21:36,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:36,884 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:36,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:21:36,884 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:36,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:36,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1223451620, now seen corresponding path program 1 times [2024-11-08 16:21:36,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:36,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293212193] [2024-11-08 16:21:36,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:36,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:21:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 16:21:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 16:21:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:21:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 16:21:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:21:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 16:21:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 16:21:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 16:21:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 16:21:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 16:21:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 16:21:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 16:21:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 16:21:37,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:37,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293212193] [2024-11-08 16:21:37,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293212193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:37,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:37,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 16:21:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940495192] [2024-11-08 16:21:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:37,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:21:37,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:21:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:21:37,501 INFO L87 Difference]: Start difference. First operand 123431 states and 208014 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-08 16:21:57,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:57,775 INFO L93 Difference]: Finished difference Result 247119 states and 428379 transitions. [2024-11-08 16:21:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-08 16:21:57,776 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 140 [2024-11-08 16:21:57,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:59,078 INFO L225 Difference]: With dead ends: 247119 [2024-11-08 16:21:59,078 INFO L226 Difference]: Without dead ends: 246862 [2024-11-08 16:21:59,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=900, Invalid=4070, Unknown=0, NotChecked=0, Total=4970 [2024-11-08 16:21:59,161 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 6943 mSDsluCounter, 3290 mSDsCounter, 0 mSdLazyCounter, 12049 mSolverCounterSat, 2668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6943 SdHoareTripleChecker+Valid, 3561 SdHoareTripleChecker+Invalid, 14717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2668 IncrementalHoareTripleChecker+Valid, 12049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:59,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6943 Valid, 3561 Invalid, 14717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2668 Valid, 12049 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-11-08 16:21:59,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246862 states.