./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a4e3d1ef75cde0243f57ce4bcedb5827704adb835017a69deaa6c50c3201720 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:31:05,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:31:06,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:31:06,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:31:06,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:31:06,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:31:06,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:31:06,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:31:06,063 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:31:06,064 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:31:06,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:31:06,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:31:06,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:31:06,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:31:06,067 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:31:06,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:31:06,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:31:06,068 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:31:06,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:31:06,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:31:06,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:31:06,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:31:06,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:31:06,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:31:06,071 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:31:06,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:31:06,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:31:06,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:31:06,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:31:06,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:31:06,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:31:06,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:31:06,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:31:06,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:31:06,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:31:06,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:31:06,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:31:06,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:31:06,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:31:06,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:31:06,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:31:06,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:31:06,077 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_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a4e3d1ef75cde0243f57ce4bcedb5827704adb835017a69deaa6c50c3201720 [2023-11-29 05:31:06,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:31:06,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:31:06,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:31:06,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:31:06,321 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:31:06,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2023-11-29 05:31:09,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:31:09,346 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:31:09,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2023-11-29 05:31:09,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/data/dabe02396/14d35ac1593d4963ab6643201def5091/FLAG6ce111053 [2023-11-29 05:31:09,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/data/dabe02396/14d35ac1593d4963ab6643201def5091 [2023-11-29 05:31:09,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:31:09,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:31:09,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:31:09,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:31:09,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:31:09,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:31:09" (1/1) ... [2023-11-29 05:31:09,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490604ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:09, skipping insertion in model container [2023-11-29 05:31:09,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:31:09" (1/1) ... [2023-11-29 05:31:09,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:31:09,914 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2023-11-29 05:31:09,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:31:09,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:31:09,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2023-11-29 05:31:10,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [79] [2023-11-29 05:31:10,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] [2023-11-29 05:31:10,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [509] [2023-11-29 05:31:10,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [547] [2023-11-29 05:31:10,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [913] [2023-11-29 05:31:10,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1138] [2023-11-29 05:31:10,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1236] [2023-11-29 05:31:10,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1533] [2023-11-29 05:31:10,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1815] [2023-11-29 05:31:10,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1824] [2023-11-29 05:31:10,086 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2023-11-29 05:31:10,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:31:10,134 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:31:10,141 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:31:10,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10 WrapperNode [2023-11-29 05:31:10,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:31:10,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:31:10,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:31:10,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:31:10,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,218 INFO L138 Inliner]: procedures = 127, calls = 196, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1011 [2023-11-29 05:31:10,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:31:10,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:31:10,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:31:10,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:31:10,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,256 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-11-29 05:31:10,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:31:10,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:31:10,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:31:10,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:31:10,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (1/1) ... [2023-11-29 05:31:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:31:10,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:10,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:31:10,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:31:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-11-29 05:31:10,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-11-29 05:31:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-11-29 05:31:10,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-11-29 05:31:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-11-29 05:31:10,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-11-29 05:31:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-11-29 05:31:10,370 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-11-29 05:31:10,370 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-11-29 05:31:10,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-11-29 05:31:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-11-29 05:31:10,371 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-11-29 05:31:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 05:31:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-11-29 05:31:10,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-11-29 05:31:10,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-11-29 05:31:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-11-29 05:31:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:31:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-11-29 05:31:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-11-29 05:31:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-11-29 05:31:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-11-29 05:31:10,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-11-29 05:31:10,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-11-29 05:31:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-11-29 05:31:10,373 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-11-29 05:31:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-11-29 05:31:10,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-11-29 05:31:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-11-29 05:31:10,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-11-29 05:31:10,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-11-29 05:31:10,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-11-29 05:31:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:31:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:31:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:31:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:31:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-11-29 05:31:10,374 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-11-29 05:31:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:31:10,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:31:10,563 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:31:10,565 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:31:11,164 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:31:11,229 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:31:11,229 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:31:11,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:31:11 BoogieIcfgContainer [2023-11-29 05:31:11,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:31:11,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:31:11,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:31:11,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:31:11,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:31:09" (1/3) ... [2023-11-29 05:31:11,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e03132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:31:11, skipping insertion in model container [2023-11-29 05:31:11,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:31:10" (2/3) ... [2023-11-29 05:31:11,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e03132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:31:11, skipping insertion in model container [2023-11-29 05:31:11,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:31:11" (3/3) ... [2023-11-29 05:31:11,239 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2023-11-29 05:31:11,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:31:11,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:31:11,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:31:11,320 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c61feb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:31:11,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:31:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 273 states, 213 states have (on average 1.6056338028169015) internal successors, (342), 215 states have internal predecessors, (342), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 05:31:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 05:31:11,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:11,345 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:11,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:11,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash -200313171, now seen corresponding path program 1 times [2023-11-29 05:31:11,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:11,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206533482] [2023-11-29 05:31:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:31:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:31:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:31:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 05:31:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 05:31:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 05:31:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:31:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 05:31:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 05:31:11,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:11,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206533482] [2023-11-29 05:31:11,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206533482] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529308203] [2023-11-29 05:31:11,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:11,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:11,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:12,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:12,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:31:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:12,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:31:12,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:31:12,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:31:12,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529308203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:12,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:31:12,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-11-29 05:31:12,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175301522] [2023-11-29 05:31:12,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:12,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:31:12,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:31:12,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:31:12,375 INFO L87 Difference]: Start difference. First operand has 273 states, 213 states have (on average 1.6056338028169015) internal successors, (342), 215 states have internal predecessors, (342), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:12,454 INFO L93 Difference]: Finished difference Result 401 states and 615 transitions. [2023-11-29 05:31:12,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:31:12,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2023-11-29 05:31:12,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:12,470 INFO L225 Difference]: With dead ends: 401 [2023-11-29 05:31:12,470 INFO L226 Difference]: Without dead ends: 270 [2023-11-29 05:31:12,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:31:12,479 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:12,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:31:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-29 05:31:12,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2023-11-29 05:31:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 211 states have (on average 1.5876777251184835) internal successors, (335), 212 states have internal predecessors, (335), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 05:31:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 418 transitions. [2023-11-29 05:31:12,544 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 418 transitions. Word has length 79 [2023-11-29 05:31:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:12,545 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 418 transitions. [2023-11-29 05:31:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 418 transitions. [2023-11-29 05:31:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-29 05:31:12,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:12,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:12,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:31:12,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:31:12,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:12,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:12,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1688298610, now seen corresponding path program 1 times [2023-11-29 05:31:12,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:12,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159608976] [2023-11-29 05:31:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:31:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:31:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:31:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 05:31:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 05:31:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 05:31:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:31:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:31:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 05:31:13,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159608976] [2023-11-29 05:31:13,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159608976] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410458551] [2023-11-29 05:31:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:13,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:13,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:13,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:13,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:31:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:31:13,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:31:13,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:31:13,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410458551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:13,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:31:13,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 05:31:13,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290834734] [2023-11-29 05:31:13,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:13,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:31:13,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:13,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:31:13,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:31:13,357 INFO L87 Difference]: Start difference. First operand 270 states and 418 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:13,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:13,416 INFO L93 Difference]: Finished difference Result 397 states and 602 transitions. [2023-11-29 05:31:13,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:31:13,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2023-11-29 05:31:13,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:13,421 INFO L225 Difference]: With dead ends: 397 [2023-11-29 05:31:13,422 INFO L226 Difference]: Without dead ends: 272 [2023-11-29 05:31:13,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:31:13,426 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 0 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:13,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 807 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:31:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-29 05:31:13,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2023-11-29 05:31:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 213 states have (on average 1.5821596244131455) internal successors, (337), 214 states have internal predecessors, (337), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 05:31:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 420 transitions. [2023-11-29 05:31:13,452 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 420 transitions. Word has length 80 [2023-11-29 05:31:13,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:13,452 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 420 transitions. [2023-11-29 05:31:13,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 420 transitions. [2023-11-29 05:31:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-29 05:31:13,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:13,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:13,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:31:13,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:13,661 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:13,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:13,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1495994238, now seen corresponding path program 1 times [2023-11-29 05:31:13,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:13,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320761507] [2023-11-29 05:31:13,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:13,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:31:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:31:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:31:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 05:31:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:31:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:31:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 05:31:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 05:31:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:31:13,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:13,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320761507] [2023-11-29 05:31:13,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320761507] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:13,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689867893] [2023-11-29 05:31:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:13,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:13,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:13,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:31:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:31:14,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 05:31:14,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:31:14,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689867893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:14,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:31:14,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 05:31:14,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183359695] [2023-11-29 05:31:14,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:14,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:31:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:14,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:31:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:31:14,203 INFO L87 Difference]: Start difference. First operand 272 states and 420 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:14,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:14,259 INFO L93 Difference]: Finished difference Result 574 states and 899 transitions. [2023-11-29 05:31:14,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:31:14,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 85 [2023-11-29 05:31:14,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:14,264 INFO L225 Difference]: With dead ends: 574 [2023-11-29 05:31:14,264 INFO L226 Difference]: Without dead ends: 324 [2023-11-29 05:31:14,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:31:14,266 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 102 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:14,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 774 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:31:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2023-11-29 05:31:14,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 319. [2023-11-29 05:31:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 249 states have (on average 1.5943775100401607) internal successors, (397), 250 states have internal predecessors, (397), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-29 05:31:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 502 transitions. [2023-11-29 05:31:14,294 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 502 transitions. Word has length 85 [2023-11-29 05:31:14,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:14,295 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 502 transitions. [2023-11-29 05:31:14,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 502 transitions. [2023-11-29 05:31:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-29 05:31:14,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:14,298 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:14,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:31:14,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:14,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:14,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:14,499 INFO L85 PathProgramCache]: Analyzing trace with hash 148472143, now seen corresponding path program 1 times [2023-11-29 05:31:14,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:14,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763208848] [2023-11-29 05:31:14,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:14,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:31:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 05:31:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 05:31:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 05:31:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 05:31:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:31:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:31:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:31:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:31:14,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763208848] [2023-11-29 05:31:14,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763208848] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:14,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642663163] [2023-11-29 05:31:14,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:14,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:14,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:14,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:14,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:31:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:14,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:31:14,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:31:15,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:31:15,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642663163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:15,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:31:15,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 05:31:15,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775410372] [2023-11-29 05:31:15,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:15,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:31:15,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:31:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:31:15,037 INFO L87 Difference]: Start difference. First operand 319 states and 502 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:15,149 INFO L93 Difference]: Finished difference Result 633 states and 998 transitions. [2023-11-29 05:31:15,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:31:15,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 86 [2023-11-29 05:31:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:15,154 INFO L225 Difference]: With dead ends: 633 [2023-11-29 05:31:15,154 INFO L226 Difference]: Without dead ends: 321 [2023-11-29 05:31:15,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:15,157 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 8 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:15,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1569 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:31:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-29 05:31:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2023-11-29 05:31:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 250 states have (on average 1.592) internal successors, (398), 252 states have internal predecessors, (398), 53 states have call successors, (53), 16 states have call predecessors, (53), 17 states have return successors, (54), 52 states have call predecessors, (54), 52 states have call successors, (54) [2023-11-29 05:31:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 505 transitions. [2023-11-29 05:31:15,177 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 505 transitions. Word has length 86 [2023-11-29 05:31:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:15,178 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 505 transitions. [2023-11-29 05:31:15,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 505 transitions. [2023-11-29 05:31:15,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 05:31:15,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:15,180 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:15,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:31:15,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:15,384 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:15,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:15,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1324664892, now seen corresponding path program 1 times [2023-11-29 05:31:15,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:15,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127145692] [2023-11-29 05:31:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:15,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-29 05:31:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 05:31:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 05:31:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 05:31:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:31:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:31:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:31:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:31:15,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:15,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127145692] [2023-11-29 05:31:15,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127145692] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:15,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947631282] [2023-11-29 05:31:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:15,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:15,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:15,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:15,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:31:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:15,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:31:15,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 05:31:15,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:31:15,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947631282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:15,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:31:15,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-29 05:31:15,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517564137] [2023-11-29 05:31:15,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:15,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:31:15,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:15,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:31:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:31:15,961 INFO L87 Difference]: Start difference. First operand 321 states and 505 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:16,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:16,079 INFO L93 Difference]: Finished difference Result 635 states and 1003 transitions. [2023-11-29 05:31:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:31:16,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 87 [2023-11-29 05:31:16,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:16,082 INFO L225 Difference]: With dead ends: 635 [2023-11-29 05:31:16,082 INFO L226 Difference]: Without dead ends: 323 [2023-11-29 05:31:16,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:31:16,084 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 8 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:16,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1555 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:31:16,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-29 05:31:16,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2023-11-29 05:31:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 251 states have (on average 1.5896414342629481) internal successors, (399), 254 states have internal predecessors, (399), 53 states have call successors, (53), 16 states have call predecessors, (53), 18 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2023-11-29 05:31:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 511 transitions. [2023-11-29 05:31:16,102 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 511 transitions. Word has length 87 [2023-11-29 05:31:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:16,102 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 511 transitions. [2023-11-29 05:31:16,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 511 transitions. [2023-11-29 05:31:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 05:31:16,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:16,104 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:16,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:31:16,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:16,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:16,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:16,305 INFO L85 PathProgramCache]: Analyzing trace with hash 297395031, now seen corresponding path program 1 times [2023-11-29 05:31:16,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:16,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972295653] [2023-11-29 05:31:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-29 05:31:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 05:31:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 05:31:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:31:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:31:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:31:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:31:16,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:16,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972295653] [2023-11-29 05:31:16,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972295653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:16,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:16,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:31:16,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910527960] [2023-11-29 05:31:16,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:16,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:31:16,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:16,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:31:16,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:31:16,558 INFO L87 Difference]: Start difference. First operand 323 states and 511 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:18,358 INFO L93 Difference]: Finished difference Result 751 states and 1200 transitions. [2023-11-29 05:31:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:31:18,358 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 88 [2023-11-29 05:31:18,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:18,363 INFO L225 Difference]: With dead ends: 751 [2023-11-29 05:31:18,363 INFO L226 Difference]: Without dead ends: 447 [2023-11-29 05:31:18,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:31:18,365 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 888 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 2232 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 2232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:18,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 963 Invalid, 2483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 2232 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:31:18,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-29 05:31:18,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 323. [2023-11-29 05:31:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 251 states have (on average 1.5896414342629481) internal successors, (399), 254 states have internal predecessors, (399), 53 states have call successors, (53), 16 states have call predecessors, (53), 18 states have return successors, (58), 52 states have call predecessors, (58), 52 states have call successors, (58) [2023-11-29 05:31:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 510 transitions. [2023-11-29 05:31:18,401 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 510 transitions. Word has length 88 [2023-11-29 05:31:18,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:18,401 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 510 transitions. [2023-11-29 05:31:18,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 510 transitions. [2023-11-29 05:31:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 05:31:18,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:18,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:18,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:31:18,404 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:18,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:18,404 INFO L85 PathProgramCache]: Analyzing trace with hash 960377390, now seen corresponding path program 2 times [2023-11-29 05:31:18,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:18,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520608742] [2023-11-29 05:31:18,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:18,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 05:31:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-29 05:31:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 05:31:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:31:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 05:31:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:31:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 05:31:18,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:18,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520608742] [2023-11-29 05:31:18,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520608742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:18,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:18,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:31:18,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834597932] [2023-11-29 05:31:18,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:18,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:31:18,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:18,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:31:18,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:31:18,627 INFO L87 Difference]: Start difference. First operand 323 states and 510 transitions. Second operand has 9 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:20,357 INFO L93 Difference]: Finished difference Result 753 states and 1203 transitions. [2023-11-29 05:31:20,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:31:20,358 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 89 [2023-11-29 05:31:20,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:20,362 INFO L225 Difference]: With dead ends: 753 [2023-11-29 05:31:20,362 INFO L226 Difference]: Without dead ends: 449 [2023-11-29 05:31:20,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:31:20,365 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 883 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 2249 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 2249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:20,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 963 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 2249 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:31:20,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-29 05:31:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 325. [2023-11-29 05:31:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 252 states have (on average 1.5873015873015872) internal successors, (400), 256 states have internal predecessors, (400), 53 states have call successors, (53), 16 states have call predecessors, (53), 19 states have return successors, (60), 52 states have call predecessors, (60), 52 states have call successors, (60) [2023-11-29 05:31:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 513 transitions. [2023-11-29 05:31:20,397 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 513 transitions. Word has length 89 [2023-11-29 05:31:20,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:20,398 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 513 transitions. [2023-11-29 05:31:20,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 05:31:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 513 transitions. [2023-11-29 05:31:20,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 05:31:20,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:20,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:20,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:31:20,401 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:20,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:20,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1025166894, now seen corresponding path program 1 times [2023-11-29 05:31:20,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:20,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063684945] [2023-11-29 05:31:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:20,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 05:31:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 05:31:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 05:31:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-29 05:31:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:31:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:31:20,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:20,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063684945] [2023-11-29 05:31:20,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063684945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:20,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:20,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:31:20,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359348962] [2023-11-29 05:31:20,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:20,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:31:20,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:20,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:31:20,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:31:20,637 INFO L87 Difference]: Start difference. First operand 325 states and 513 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-29 05:31:22,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:22,866 INFO L93 Difference]: Finished difference Result 751 states and 1198 transitions. [2023-11-29 05:31:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:31:22,867 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 90 [2023-11-29 05:31:22,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:22,871 INFO L225 Difference]: With dead ends: 751 [2023-11-29 05:31:22,871 INFO L226 Difference]: Without dead ends: 449 [2023-11-29 05:31:22,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:31:22,873 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 896 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 3652 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 3916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 3652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:22,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 1332 Invalid, 3916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 3652 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 05:31:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-29 05:31:22,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 325. [2023-11-29 05:31:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 252 states have (on average 1.5873015873015872) internal successors, (400), 256 states have internal predecessors, (400), 53 states have call successors, (53), 16 states have call predecessors, (53), 19 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2023-11-29 05:31:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 512 transitions. [2023-11-29 05:31:22,903 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 512 transitions. Word has length 90 [2023-11-29 05:31:22,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:22,903 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 512 transitions. [2023-11-29 05:31:22,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-29 05:31:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 512 transitions. [2023-11-29 05:31:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 05:31:22,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:22,906 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:22,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:31:22,906 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:22,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:22,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1673509057, now seen corresponding path program 2 times [2023-11-29 05:31:22,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:22,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115699114] [2023-11-29 05:31:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:22,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 05:31:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 05:31:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 05:31:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 05:31:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:31:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 05:31:23,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115699114] [2023-11-29 05:31:23,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115699114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:23,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:23,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:31:23,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362884740] [2023-11-29 05:31:23,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:23,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:31:23,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:31:23,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:31:23,135 INFO L87 Difference]: Start difference. First operand 325 states and 512 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-29 05:31:25,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:25,274 INFO L93 Difference]: Finished difference Result 753 states and 1204 transitions. [2023-11-29 05:31:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:31:25,274 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 91 [2023-11-29 05:31:25,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:25,278 INFO L225 Difference]: With dead ends: 753 [2023-11-29 05:31:25,278 INFO L226 Difference]: Without dead ends: 451 [2023-11-29 05:31:25,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-29 05:31:25,280 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 893 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 3649 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 3649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:25,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1330 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 3649 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 05:31:25,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2023-11-29 05:31:25,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 327. [2023-11-29 05:31:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 253 states have (on average 1.5849802371541502) internal successors, (401), 258 states have internal predecessors, (401), 53 states have call successors, (53), 16 states have call predecessors, (53), 20 states have return successors, (64), 52 states have call predecessors, (64), 52 states have call successors, (64) [2023-11-29 05:31:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 518 transitions. [2023-11-29 05:31:25,310 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 518 transitions. Word has length 91 [2023-11-29 05:31:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:25,310 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 518 transitions. [2023-11-29 05:31:25,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-29 05:31:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 518 transitions. [2023-11-29 05:31:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 05:31:25,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:25,312 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:25,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:31:25,313 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:25,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:25,313 INFO L85 PathProgramCache]: Analyzing trace with hash -746396851, now seen corresponding path program 1 times [2023-11-29 05:31:25,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:25,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3776773] [2023-11-29 05:31:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:25,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 05:31:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 05:31:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:31:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:31:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 05:31:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:25,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:25,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3776773] [2023-11-29 05:31:25,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3776773] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:25,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322646157] [2023-11-29 05:31:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:25,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:25,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:25,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:25,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:31:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:25,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:31:25,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:25,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:31:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:25,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322646157] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:31:25,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:31:25,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2023-11-29 05:31:25,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906400090] [2023-11-29 05:31:25,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:31:25,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:31:25,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:25,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:31:25,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:31:25,777 INFO L87 Difference]: Start difference. First operand 327 states and 518 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-29 05:31:27,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:27,551 INFO L93 Difference]: Finished difference Result 906 states and 1516 transitions. [2023-11-29 05:31:27,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:31:27,551 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 92 [2023-11-29 05:31:27,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:27,558 INFO L225 Difference]: With dead ends: 906 [2023-11-29 05:31:27,558 INFO L226 Difference]: Without dead ends: 781 [2023-11-29 05:31:27,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:31:27,561 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 1178 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:27,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 1363 Invalid, 2817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 05:31:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2023-11-29 05:31:27,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 642. [2023-11-29 05:31:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 504 states have (on average 1.6388888888888888) internal successors, (826), 509 states have internal predecessors, (826), 117 states have call successors, (117), 16 states have call predecessors, (117), 20 states have return successors, (138), 116 states have call predecessors, (138), 116 states have call successors, (138) [2023-11-29 05:31:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1081 transitions. [2023-11-29 05:31:27,620 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1081 transitions. Word has length 92 [2023-11-29 05:31:27,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:27,620 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 1081 transitions. [2023-11-29 05:31:27,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-29 05:31:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1081 transitions. [2023-11-29 05:31:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-29 05:31:27,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:27,625 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:27,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:31:27,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 05:31:27,828 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:27,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1078339792, now seen corresponding path program 1 times [2023-11-29 05:31:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685170727] [2023-11-29 05:31:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 05:31:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:31:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 05:31:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 05:31:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:31:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:27,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:27,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685170727] [2023-11-29 05:31:27,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685170727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:27,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:27,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:27,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767280475] [2023-11-29 05:31:27,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:27,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:27,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:27,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:27,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:27,931 INFO L87 Difference]: Start difference. First operand 642 states and 1081 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:29,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:29,178 INFO L93 Difference]: Finished difference Result 1665 states and 2865 transitions. [2023-11-29 05:31:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:29,179 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2023-11-29 05:31:29,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:29,186 INFO L225 Difference]: With dead ends: 1665 [2023-11-29 05:31:29,186 INFO L226 Difference]: Without dead ends: 1083 [2023-11-29 05:31:29,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:29,188 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 978 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:29,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 749 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:31:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2023-11-29 05:31:29,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 954. [2023-11-29 05:31:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 752 states have (on average 1.6462765957446808) internal successors, (1238), 757 states have internal predecessors, (1238), 181 states have call successors, (181), 16 states have call predecessors, (181), 20 states have return successors, (212), 180 states have call predecessors, (212), 180 states have call successors, (212) [2023-11-29 05:31:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1631 transitions. [2023-11-29 05:31:29,232 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1631 transitions. Word has length 98 [2023-11-29 05:31:29,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:29,232 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1631 transitions. [2023-11-29 05:31:29,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1631 transitions. [2023-11-29 05:31:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 05:31:29,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:29,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:29,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:31:29,237 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:29,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:29,237 INFO L85 PathProgramCache]: Analyzing trace with hash -983733504, now seen corresponding path program 1 times [2023-11-29 05:31:29,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:29,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038388563] [2023-11-29 05:31:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 05:31:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:31:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:31:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:31:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 05:31:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:29,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:29,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038388563] [2023-11-29 05:31:29,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038388563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:29,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:29,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:29,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279027644] [2023-11-29 05:31:29,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:29,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:29,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:29,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:29,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:29,325 INFO L87 Difference]: Start difference. First operand 954 states and 1631 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:30,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:30,633 INFO L93 Difference]: Finished difference Result 2414 states and 4183 transitions. [2023-11-29 05:31:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:30,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 99 [2023-11-29 05:31:30,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:30,645 INFO L225 Difference]: With dead ends: 2414 [2023-11-29 05:31:30,645 INFO L226 Difference]: Without dead ends: 1570 [2023-11-29 05:31:30,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:30,649 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 975 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:30,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 709 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:31:30,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2023-11-29 05:31:30,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1441. [2023-11-29 05:31:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1144 states have (on average 1.6503496503496504) internal successors, (1888), 1149 states have internal predecessors, (1888), 276 states have call successors, (276), 16 states have call predecessors, (276), 20 states have return successors, (307), 275 states have call predecessors, (307), 275 states have call successors, (307) [2023-11-29 05:31:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2471 transitions. [2023-11-29 05:31:30,749 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2471 transitions. Word has length 99 [2023-11-29 05:31:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:30,749 INFO L495 AbstractCegarLoop]: Abstraction has 1441 states and 2471 transitions. [2023-11-29 05:31:30,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2471 transitions. [2023-11-29 05:31:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 05:31:30,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:30,758 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:30,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:31:30,758 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:30,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:30,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1668408914, now seen corresponding path program 1 times [2023-11-29 05:31:30,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:30,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932152546] [2023-11-29 05:31:30,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:30,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-29 05:31:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:31:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 05:31:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:31:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:31:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:30,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:30,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932152546] [2023-11-29 05:31:30,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932152546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:30,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:30,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:30,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81388125] [2023-11-29 05:31:30,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:30,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:30,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:30,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:30,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:30,863 INFO L87 Difference]: Start difference. First operand 1441 states and 2471 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:32,077 INFO L93 Difference]: Finished difference Result 3516 states and 6142 transitions. [2023-11-29 05:31:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:32,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2023-11-29 05:31:32,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:32,089 INFO L225 Difference]: With dead ends: 3516 [2023-11-29 05:31:32,090 INFO L226 Difference]: Without dead ends: 2305 [2023-11-29 05:31:32,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:32,094 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 973 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:32,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 708 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:31:32,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2023-11-29 05:31:32,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 2176. [2023-11-29 05:31:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1756 states have (on average 1.6543280182232347) internal successors, (2905), 1761 states have internal predecessors, (2905), 399 states have call successors, (399), 16 states have call predecessors, (399), 20 states have return successors, (446), 398 states have call predecessors, (446), 398 states have call successors, (446) [2023-11-29 05:31:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3750 transitions. [2023-11-29 05:31:32,235 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3750 transitions. Word has length 100 [2023-11-29 05:31:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:32,236 INFO L495 AbstractCegarLoop]: Abstraction has 2176 states and 3750 transitions. [2023-11-29 05:31:32,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3750 transitions. [2023-11-29 05:31:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-29 05:31:32,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:32,246 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:32,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:31:32,247 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:32,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1562424447, now seen corresponding path program 1 times [2023-11-29 05:31:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:32,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775630645] [2023-11-29 05:31:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 05:31:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:31:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 05:31:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 05:31:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:31:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:32,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:32,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775630645] [2023-11-29 05:31:32,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775630645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:32,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:32,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:32,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310036276] [2023-11-29 05:31:32,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:32,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:32,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:32,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:32,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:32,355 INFO L87 Difference]: Start difference. First operand 2176 states and 3750 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:33,570 INFO L93 Difference]: Finished difference Result 5226 states and 9192 transitions. [2023-11-29 05:31:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:33,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-11-29 05:31:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:33,595 INFO L225 Difference]: With dead ends: 5226 [2023-11-29 05:31:33,595 INFO L226 Difference]: Without dead ends: 3477 [2023-11-29 05:31:33,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:33,601 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 974 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:33,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 708 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:31:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3477 states. [2023-11-29 05:31:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3477 to 3348. [2023-11-29 05:31:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 2749 states have (on average 1.6569661695161877) internal successors, (4555), 2754 states have internal predecessors, (4555), 578 states have call successors, (578), 16 states have call predecessors, (578), 20 states have return successors, (651), 577 states have call predecessors, (651), 577 states have call successors, (651) [2023-11-29 05:31:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 5784 transitions. [2023-11-29 05:31:33,725 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 5784 transitions. Word has length 101 [2023-11-29 05:31:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:33,726 INFO L495 AbstractCegarLoop]: Abstraction has 3348 states and 5784 transitions. [2023-11-29 05:31:33,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 5784 transitions. [2023-11-29 05:31:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 05:31:33,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:33,732 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:33,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:31:33,732 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:33,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:33,733 INFO L85 PathProgramCache]: Analyzing trace with hash -595338702, now seen corresponding path program 1 times [2023-11-29 05:31:33,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:33,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371197842] [2023-11-29 05:31:33,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:33,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 05:31:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:31:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 05:31:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:31:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 05:31:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:33,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:33,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371197842] [2023-11-29 05:31:33,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371197842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:33,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:33,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:33,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894682796] [2023-11-29 05:31:33,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:33,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:33,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:33,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:33,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:33,819 INFO L87 Difference]: Start difference. First operand 3348 states and 5784 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:35,204 INFO L93 Difference]: Finished difference Result 8081 states and 14246 transitions. [2023-11-29 05:31:35,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:35,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2023-11-29 05:31:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:35,241 INFO L225 Difference]: With dead ends: 8081 [2023-11-29 05:31:35,241 INFO L226 Difference]: Without dead ends: 5447 [2023-11-29 05:31:35,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:35,247 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 972 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:35,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 739 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:31:35,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5447 states. [2023-11-29 05:31:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5447 to 5318. [2023-11-29 05:31:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5318 states, 4343 states have (on average 1.6454064011052267) internal successors, (7146), 4348 states have internal predecessors, (7146), 954 states have call successors, (954), 16 states have call predecessors, (954), 20 states have return successors, (1071), 953 states have call predecessors, (1071), 953 states have call successors, (1071) [2023-11-29 05:31:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 9171 transitions. [2023-11-29 05:31:35,607 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 9171 transitions. Word has length 102 [2023-11-29 05:31:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:35,607 INFO L495 AbstractCegarLoop]: Abstraction has 5318 states and 9171 transitions. [2023-11-29 05:31:35,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 9171 transitions. [2023-11-29 05:31:35,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 05:31:35,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:35,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:35,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:31:35,620 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:35,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:35,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2089461755, now seen corresponding path program 1 times [2023-11-29 05:31:35,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:35,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909227481] [2023-11-29 05:31:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:35,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 05:31:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:31:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 05:31:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 05:31:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 05:31:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:35,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:35,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909227481] [2023-11-29 05:31:35,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909227481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:35,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:35,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:35,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484984831] [2023-11-29 05:31:35,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:35,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:35,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:35,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:35,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:35,728 INFO L87 Difference]: Start difference. First operand 5318 states and 9171 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:37,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:37,068 INFO L93 Difference]: Finished difference Result 13218 states and 23267 transitions. [2023-11-29 05:31:37,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:37,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2023-11-29 05:31:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:37,118 INFO L225 Difference]: With dead ends: 13218 [2023-11-29 05:31:37,118 INFO L226 Difference]: Without dead ends: 8980 [2023-11-29 05:31:37,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:37,129 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 970 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:37,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 725 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:31:37,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8980 states. [2023-11-29 05:31:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8980 to 8851. [2023-11-29 05:31:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8851 states, 7270 states have (on average 1.6426409903713892) internal successors, (11942), 7275 states have internal predecessors, (11942), 1560 states have call successors, (1560), 16 states have call predecessors, (1560), 20 states have return successors, (1755), 1559 states have call predecessors, (1755), 1559 states have call successors, (1755) [2023-11-29 05:31:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8851 states to 8851 states and 15257 transitions. [2023-11-29 05:31:37,513 INFO L78 Accepts]: Start accepts. Automaton has 8851 states and 15257 transitions. Word has length 103 [2023-11-29 05:31:37,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:37,514 INFO L495 AbstractCegarLoop]: Abstraction has 8851 states and 15257 transitions. [2023-11-29 05:31:37,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 8851 states and 15257 transitions. [2023-11-29 05:31:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 05:31:37,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:37,527 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:31:37,527 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:37,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -115582396, now seen corresponding path program 1 times [2023-11-29 05:31:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:37,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17092879] [2023-11-29 05:31:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 05:31:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-29 05:31:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 05:31:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-29 05:31:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 05:31:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:37,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:37,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17092879] [2023-11-29 05:31:37,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17092879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:37,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:37,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:37,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213701236] [2023-11-29 05:31:37,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:37,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:37,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:37,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:37,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:37,634 INFO L87 Difference]: Start difference. First operand 8851 states and 15257 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:39,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:39,229 INFO L93 Difference]: Finished difference Result 22990 states and 40401 transitions. [2023-11-29 05:31:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:39,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2023-11-29 05:31:39,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:39,288 INFO L225 Difference]: With dead ends: 22990 [2023-11-29 05:31:39,288 INFO L226 Difference]: Without dead ends: 15652 [2023-11-29 05:31:39,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:39,306 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 965 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:39,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 731 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:31:39,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15652 states. [2023-11-29 05:31:39,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15652 to 15523. [2023-11-29 05:31:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15523 states, 12739 states have (on average 1.6330167203077164) internal successors, (20803), 12744 states have internal predecessors, (20803), 2763 states have call successors, (2763), 16 states have call predecessors, (2763), 20 states have return successors, (3102), 2762 states have call predecessors, (3102), 2762 states have call successors, (3102) [2023-11-29 05:31:40,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15523 states to 15523 states and 26668 transitions. [2023-11-29 05:31:40,056 INFO L78 Accepts]: Start accepts. Automaton has 15523 states and 26668 transitions. Word has length 104 [2023-11-29 05:31:40,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:40,056 INFO L495 AbstractCegarLoop]: Abstraction has 15523 states and 26668 transitions. [2023-11-29 05:31:40,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 15523 states and 26668 transitions. [2023-11-29 05:31:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 05:31:40,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:40,077 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:40,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:31:40,078 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:40,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:40,078 INFO L85 PathProgramCache]: Analyzing trace with hash -125559718, now seen corresponding path program 1 times [2023-11-29 05:31:40,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:40,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452873604] [2023-11-29 05:31:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:40,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 05:31:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 05:31:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 05:31:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-29 05:31:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 05:31:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:40,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:40,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452873604] [2023-11-29 05:31:40,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452873604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:40,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:40,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:40,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262081599] [2023-11-29 05:31:40,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:40,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:40,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:40,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:40,184 INFO L87 Difference]: Start difference. First operand 15523 states and 26668 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:41,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:41,958 INFO L93 Difference]: Finished difference Result 41157 states and 72201 transitions. [2023-11-29 05:31:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:41,959 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2023-11-29 05:31:41,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:42,035 INFO L225 Difference]: With dead ends: 41157 [2023-11-29 05:31:42,035 INFO L226 Difference]: Without dead ends: 27767 [2023-11-29 05:31:42,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:42,060 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 967 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:42,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 708 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:31:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27767 states. [2023-11-29 05:31:43,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27767 to 27638. [2023-11-29 05:31:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27638 states, 22815 states have (on average 1.629059829059829) internal successors, (37167), 22820 states have internal predecessors, (37167), 4802 states have call successors, (4802), 16 states have call predecessors, (4802), 20 states have return successors, (5415), 4801 states have call predecessors, (5415), 4801 states have call successors, (5415) [2023-11-29 05:31:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27638 states to 27638 states and 47384 transitions. [2023-11-29 05:31:43,258 INFO L78 Accepts]: Start accepts. Automaton has 27638 states and 47384 transitions. Word has length 105 [2023-11-29 05:31:43,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:43,259 INFO L495 AbstractCegarLoop]: Abstraction has 27638 states and 47384 transitions. [2023-11-29 05:31:43,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 27638 states and 47384 transitions. [2023-11-29 05:31:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 05:31:43,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:43,276 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:43,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:31:43,277 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:43,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:43,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1607288418, now seen corresponding path program 1 times [2023-11-29 05:31:43,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:43,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542471573] [2023-11-29 05:31:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:43,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 05:31:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 05:31:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 05:31:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-29 05:31:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-29 05:31:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:43,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542471573] [2023-11-29 05:31:43,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542471573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:43,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:43,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:43,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215834786] [2023-11-29 05:31:43,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:43,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:43,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:43,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:43,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:43,384 INFO L87 Difference]: Start difference. First operand 27638 states and 47384 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:45,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:45,961 INFO L93 Difference]: Finished difference Result 75349 states and 131390 transitions. [2023-11-29 05:31:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:45,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2023-11-29 05:31:45,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:46,120 INFO L225 Difference]: With dead ends: 75349 [2023-11-29 05:31:46,120 INFO L226 Difference]: Without dead ends: 50591 [2023-11-29 05:31:46,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:46,277 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 961 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:46,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 715 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:31:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50591 states. [2023-11-29 05:31:47,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50591 to 50462. [2023-11-29 05:31:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50462 states, 41924 states have (on average 1.6239147027955347) internal successors, (68081), 41929 states have internal predecessors, (68081), 8517 states have call successors, (8517), 16 states have call predecessors, (8517), 20 states have return successors, (9662), 8516 states have call predecessors, (9662), 8516 states have call successors, (9662) [2023-11-29 05:31:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50462 states to 50462 states and 86260 transitions. [2023-11-29 05:31:48,022 INFO L78 Accepts]: Start accepts. Automaton has 50462 states and 86260 transitions. Word has length 106 [2023-11-29 05:31:48,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:48,023 INFO L495 AbstractCegarLoop]: Abstraction has 50462 states and 86260 transitions. [2023-11-29 05:31:48,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 50462 states and 86260 transitions. [2023-11-29 05:31:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 05:31:48,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:48,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:48,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:31:48,040 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:48,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:48,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1384127750, now seen corresponding path program 1 times [2023-11-29 05:31:48,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:48,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487287905] [2023-11-29 05:31:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:48,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-29 05:31:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-29 05:31:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 05:31:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 05:31:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 05:31:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:48,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:48,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487287905] [2023-11-29 05:31:48,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487287905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:48,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:48,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:31:48,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852612808] [2023-11-29 05:31:48,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:48,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:31:48,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:48,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:31:48,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:31:48,128 INFO L87 Difference]: Start difference. First operand 50462 states and 86260 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:51,491 INFO L93 Difference]: Finished difference Result 94096 states and 164553 transitions. [2023-11-29 05:31:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:51,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2023-11-29 05:31:51,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:51,710 INFO L225 Difference]: With dead ends: 94096 [2023-11-29 05:31:51,710 INFO L226 Difference]: Without dead ends: 93971 [2023-11-29 05:31:51,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:31:51,734 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 960 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:51,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 708 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:31:51,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93971 states. [2023-11-29 05:31:54,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93971 to 93842. [2023-11-29 05:31:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93842 states, 78505 states have (on average 1.6173746895102223) internal successors, (126972), 78510 states have internal predecessors, (126972), 15316 states have call successors, (15316), 16 states have call predecessors, (15316), 20 states have return successors, (17507), 15315 states have call predecessors, (17507), 15315 states have call successors, (17507) [2023-11-29 05:31:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93842 states to 93842 states and 159795 transitions. [2023-11-29 05:31:55,184 INFO L78 Accepts]: Start accepts. Automaton has 93842 states and 159795 transitions. Word has length 107 [2023-11-29 05:31:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:55,184 INFO L495 AbstractCegarLoop]: Abstraction has 93842 states and 159795 transitions. [2023-11-29 05:31:55,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-29 05:31:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 93842 states and 159795 transitions. [2023-11-29 05:31:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 05:31:55,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:55,195 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:55,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:31:55,195 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:55,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:55,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2111082115, now seen corresponding path program 1 times [2023-11-29 05:31:55,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:55,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860113293] [2023-11-29 05:31:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:55,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 05:31:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:31:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 05:31:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:31:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 05:31:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 05:31:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:31:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-29 05:31:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 05:31:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 05:31:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 05:31:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 05:31:55,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:55,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860113293] [2023-11-29 05:31:55,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860113293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:55,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:55,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:31:55,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861960045] [2023-11-29 05:31:55,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:55,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:31:55,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:55,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:31:55,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:31:55,568 INFO L87 Difference]: Start difference. First operand 93842 states and 159795 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:31:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:58,932 INFO L93 Difference]: Finished difference Result 93964 states and 163270 transitions. [2023-11-29 05:31:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:31:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-29 05:31:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:58,933 INFO L225 Difference]: With dead ends: 93964 [2023-11-29 05:31:58,933 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:31:59,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:31:59,024 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 875 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:59,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 975 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 05:31:59,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:31:59,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:31:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:31:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:31:59,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2023-11-29 05:31:59,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:59,038 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:31:59,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-29 05:31:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:31:59,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:31:59,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:31:59,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:31:59,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:32:06,480 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:12,803 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:20,930 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:26,604 WARN L293 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:35,819 WARN L293 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:41,710 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:47,525 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:32:54,234 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:00,303 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:06,239 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:13,358 WARN L293 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:24,600 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:30,631 WARN L293 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:49,725 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 1122 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 05:33:54,758 INFO L899 garLoopResultBuilder]: For program point getEmailSignKeyEXIT(lines 437 455) no Hoare annotation was computed. [2023-11-29 05:33:54,758 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2023-11-29 05:33:54,758 INFO L899 garLoopResultBuilder]: For program point getEmailSignKeyFINAL(lines 437 455) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 455) the Hoare annotation is: true [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 452) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1433) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point isVerified_returnLabel#1(lines 474 492) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point L69-2(lines 62 78) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 488) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point L1820(line 1820) no Hoare annotation was computed. [2023-11-29 05:33:54,759 INFO L899 garLoopResultBuilder]: For program point getClientPrivateKey_returnLabel#1(lines 2412 2435) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L902 garLoopResultBuilder]: At program point L1160(line 1160) the Hoare annotation is: true [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L1160-1(line 1160) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2818) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 504) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L1458(lines 1458 1462) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L500-2(lines 493 508) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L2416(lines 2416 2432) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L2730(lines 2730 2746) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1334) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L1327-2(lines 1317 1337) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L2731(lines 2731 2742) no Hoare annotation was computed. [2023-11-29 05:33:54,760 INFO L902 garLoopResultBuilder]: At program point L1179(line 1179) the Hoare annotation is: true [2023-11-29 05:33:54,760 INFO L899 garLoopResultBuilder]: For program point L1179-1(line 1179) no Hoare annotation was computed. [2023-11-29 05:33:54,761 INFO L899 garLoopResultBuilder]: For program point L1427(lines 1427 1432) no Hoare annotation was computed. [2023-11-29 05:33:54,761 INFO L902 garLoopResultBuilder]: At program point L1163(line 1163) the Hoare annotation is: true [2023-11-29 05:33:54,761 INFO L899 garLoopResultBuilder]: For program point L1163-1(line 1163) no Hoare annotation was computed. [2023-11-29 05:33:54,761 INFO L899 garLoopResultBuilder]: For program point L2716(lines 2716 2747) no Hoare annotation was computed. [2023-11-29 05:33:54,761 INFO L895 garLoopResultBuilder]: At program point L1329(line 1329) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,761 INFO L899 garLoopResultBuilder]: For program point L1329-1(line 1329) no Hoare annotation was computed. [2023-11-29 05:33:54,761 INFO L899 garLoopResultBuilder]: For program point L1511(line 1511) no Hoare annotation was computed. [2023-11-29 05:33:54,761 INFO L895 garLoopResultBuilder]: At program point L1280(line 1280) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:33:54,761 INFO L899 garLoopResultBuilder]: For program point L1280-1(line 1280) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L2717(lines 2717 2728) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L2420(lines 2420 2431) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 152) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L902 garLoopResultBuilder]: At program point L1182(line 1182) the Hoare annotation is: true [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L1182-1(line 1182) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L895 garLoopResultBuilder]: At program point L1496(line 1496) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L1496-1(line 1496) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point outgoingEXIT(lines 1286 1296) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L2702(lines 2702 2748) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L2735(lines 2735 2741) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point getEmailId_returnLabel#1(lines 137 155) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 431) no Hoare annotation was computed. [2023-11-29 05:33:54,762 INFO L899 garLoopResultBuilder]: For program point L2851(lines 2851 2867) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L2703(lines 2703 2714) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1509) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L1515(lines 1515 1529) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 1482 1532) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point getClientForwardReceiver_returnLabel#1(lines 2800 2823) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L2721(lines 2721 2727) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L2424(lines 2424 2430) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L2804(lines 2804 2820) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L895 garLoopResultBuilder]: At program point L1268(line 1268) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L1268-1(line 1268) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 151) no Hoare annotation was computed. [2023-11-29 05:33:54,763 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1286 1296) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L426-2(lines 419 434) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L1500-1(line 1500) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L895 garLoopResultBuilder]: At program point L1517(line 1517) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 468) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L1517-1(line 1517) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L2855(lines 2855 2866) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L2707(lines 2707 2713) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L1502(lines 1502 1506) no Hoare annotation was computed. [2023-11-29 05:33:54,764 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 489) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L895 garLoopResultBuilder]: At program point L1502-1(lines 1498 1509) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point isKeyPairValid_returnLabel#1(lines 1414 1438) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point findPublicKey_returnLabel#1(lines 2698 2751) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1820) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point L2808(lines 2808 2819) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1526) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point L463-2(lines 456 471) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point getClientId_returnLabel#1(lines 2847 2870) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L902 garLoopResultBuilder]: At program point L1157(line 1157) the Hoare annotation is: true [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point L1157-1(line 1157) no Hoare annotation was computed. [2023-11-29 05:33:54,765 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,765 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point sign_returnLabel#1(lines 1449 1469) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 505) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L2859(lines 2859 2865) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point isSignedEXIT(lines 400 418) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point isSignedFINAL(lines 400 418) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 418) the Hoare annotation is: true [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 415) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point setClientPrivateKeyEXIT(lines 2436 2455) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L2446(lines 2446 2450) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L2446-2(lines 2436 2455) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L899 garLoopResultBuilder]: For program point L2443(lines 2443 2451) no Hoare annotation was computed. [2023-11-29 05:33:54,766 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2436 2455) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point L2440(lines 2440 2452) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point chuckKeyAddEXIT(lines 1751 1762) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L902 garLoopResultBuilder]: At program point L1757(line 1757) the Hoare annotation is: true [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point L1756(line 1756) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L902 garLoopResultBuilder]: At program point L1757-1(line 1757) the Hoare annotation is: true [2023-11-29 05:33:54,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1751 1762) the Hoare annotation is: true [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point chuckKeyAddFINAL(lines 1751 1762) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point L237-2(lines 230 245) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2023-11-29 05:33:54,767 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 230 245) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,767 INFO L899 garLoopResultBuilder]: For program point setEmailToEXIT(lines 230 245) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point getEmailToFINAL(lines 211 229) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 225) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point getEmailToEXIT(lines 211 229) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 211 229) the Hoare annotation is: true [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 226) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L2463(lines 2463 2479) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L2490(lines 2490 2498) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point createClientKeyringEntryFINAL(lines 2503 2527) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2503 2527) the Hoare annotation is: true [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L2493(lines 2493 2497) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L2493-2(lines 2483 2502) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L2487(lines 2487 2499) no Hoare annotation was computed. [2023-11-29 05:33:54,768 INFO L899 garLoopResultBuilder]: For program point L2514(lines 2514 2524) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point getClientKeyringSize_returnLabel#1(lines 2459 2482) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point createClientKeyringEntryEXIT(lines 2503 2527) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point L2471(lines 2471 2477) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point L2467(lines 2467 2478) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point generateKeyPairFINAL(lines 1439 1448) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1439 1448) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point generateKeyPairEXIT(lines 1439 1448) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L895 garLoopResultBuilder]: At program point L1444(line 1444) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point L2618(lines 2618 2626) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point L2610(lines 2610 2614) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point L2606(lines 2606 2630) no Hoare annotation was computed. [2023-11-29 05:33:54,769 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2591 2634) the Hoare annotation is: true [2023-11-29 05:33:54,769 INFO L899 garLoopResultBuilder]: For program point L2596(lines 2596 2604) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point setClientKeyringUserEXIT(lines 2591 2634) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L2621(lines 2621 2625) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L2617-1(lines 2591 2634) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L2617(lines 2617 2629) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L2607(lines 2607 2615) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L2599(lines 2599 2603) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L2595(lines 2595 2631) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point sendEmailEXIT(lines 1364 1376) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point L1229(line 1229) no Hoare annotation was computed. [2023-11-29 05:33:54,770 INFO L895 garLoopResultBuilder]: At program point L1228(line 1228) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:33:54,770 INFO L902 garLoopResultBuilder]: At program point L1372(line 1372) the Hoare annotation is: true [2023-11-29 05:33:54,770 INFO L899 garLoopResultBuilder]: For program point sendEmailFINAL(lines 1364 1376) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L895 garLoopResultBuilder]: At program point L1228-1(line 1228) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|)) [2023-11-29 05:33:54,771 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1364 1376) the Hoare annotation is: (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point setEmailFromEXIT(lines 193 208) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 208) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L200-2(lines 193 208) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 205) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L895 garLoopResultBuilder]: At program point L1720(line 1720) the Hoare annotation is: (= |ULTIMATE.start_test_~op4~0#1| 0) [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L1720-1(line 1720) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L2546(lines 2546 2552) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1763 1774) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L2662(lines 2662 2693) no Hoare annotation was computed. [2023-11-29 05:33:54,771 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L895 garLoopResultBuilder]: At program point L1721(line 1721) the Hoare annotation is: (= |ULTIMATE.start_test_~op4~0#1| 0) [2023-11-29 05:33:54,772 INFO L895 garLoopResultBuilder]: At program point L1721-1(line 1721) the Hoare annotation is: (= |ULTIMATE.start_test_~op4~0#1| 0) [2023-11-29 05:33:54,772 INFO L895 garLoopResultBuilder]: At program point L1110(line 1110) the Hoare annotation is: (= |ULTIMATE.start_test_~op11~0#1| 0) [2023-11-29 05:33:54,772 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L1110-1(line 1110) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1583 1593) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L2828(lines 2828 2840) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L2663(lines 2663 2674) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L1094(lines 1094 1101) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point $Ultimate##93(lines 1051 1122) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L1722(lines 1715 1726) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L902 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: true [2023-11-29 05:33:54,772 INFO L899 garLoopResultBuilder]: For program point L1623-1(line 1623) no Hoare annotation was computed. [2023-11-29 05:33:54,772 INFO L902 garLoopResultBuilder]: At program point L1557(line 1557) the Hoare annotation is: true [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 1552 1561) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L963(lines 962 1129) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point $Ultimate##99(lines 1065 1121) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L2648(lines 2648 2694) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L2681(lines 2681 2687) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L895 garLoopResultBuilder]: At program point L1790(line 1790) the Hoare annotation is: (= |ULTIMATE.start_test_~op10~0#1| 0) [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point $Ultimate##72(lines 1023 1124) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L1790-1(lines 1785 1794) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L2649(lines 2649 2660) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L1080(lines 1080 1087) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L2831(lines 2831 2839) no Hoare annotation was computed. [2023-11-29 05:33:54,773 INFO L899 garLoopResultBuilder]: For program point L1130(lines 961 1131) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point $Ultimate##78(lines 1037 1123) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point $Ultimate##60(lines 995 1126) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1634) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (not (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 1)) (not (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 2))) [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point L2667(lines 2667 2673) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point L1610-1(lines 1604 1614) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point L999(lines 999 1006) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point $Ultimate##66(lines 1009 1125) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L895 garLoopResultBuilder]: At program point L1082(line 1082) the Hoare annotation is: (= |ULTIMATE.start_test_~op9~0#1| 0) [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point L1082-1(line 1082) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) (<= 2 |ULTIMATE.start_setup_rjh__wrappee__Base_~rjh___0#1|)) [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 1573 1582) no Hoare annotation was computed. [2023-11-29 05:33:54,774 INFO L899 garLoopResultBuilder]: For program point $Ultimate##54(lines 984 1127) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2569(lines 2569 2585) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2834(lines 2834 2838) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2834-2(lines 2824 2843) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2570(lines 2570 2581) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2653(lines 2653 2659) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2555(lines 2555 2586) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point getClientKeyringUser_returnLabel#1(lines 2537 2590) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L1069(lines 1069 1073) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L970(lines 970 1128) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L2556(lines 2556 2567) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L895 garLoopResultBuilder]: At program point L1780(line 1780) the Hoare annotation is: (= |ULTIMATE.start_test_~op3~0#1| 0) [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point L1780-1(lines 1775 1784) no Hoare annotation was computed. [2023-11-29 05:33:54,775 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L902 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: true [2023-11-29 05:33:54,776 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (and (= 3 |ULTIMATE.start_setup_chuck__wrappee__Base_~chuck___0#1|) (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 3)) [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1615 1637) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 1594 1603) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L988(lines 988 992) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1689) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L1682-2(lines 1682 1689) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L2574(lines 2574 2580) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L2541(lines 2541 2587) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L1055(lines 1055 1062) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L2542(lines 2542 2553) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L902 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: true [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L1568-1(lines 1562 1572) no Hoare annotation was computed. [2023-11-29 05:33:54,776 INFO L899 garLoopResultBuilder]: For program point L974(lines 974 981) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L895 garLoopResultBuilder]: At program point L1800(line 1800) the Hoare annotation is: (= |ULTIMATE.start_test_~op7~0#1| 0) [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point L1800-1(lines 1795 1804) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L895 garLoopResultBuilder]: At program point L1701(line 1701) the Hoare annotation is: (= |ULTIMATE.start_test_~op1~0#1| 0) [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point L1701-1(line 1701) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point getClientKeyringPublicKey_returnLabel#1(lines 2644 2697) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point L2560(lines 2560 2566) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##105(lines 1076 1120) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point L2676(lines 2676 2692) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1048) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point $Ultimate##111(lines 1090 1119) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L895 garLoopResultBuilder]: At program point L1768(line 1768) the Hoare annotation is: (= |ULTIMATE.start_test_~op5~0#1| 0) [2023-11-29 05:33:54,777 INFO L899 garLoopResultBuilder]: For program point L1768-1(line 1768) no Hoare annotation was computed. [2023-11-29 05:33:54,777 INFO L895 garLoopResultBuilder]: At program point L1702(line 1702) the Hoare annotation is: (= |ULTIMATE.start_test_~op1~0#1| 0) [2023-11-29 05:33:54,777 INFO L895 garLoopResultBuilder]: At program point L1702-1(line 1702) the Hoare annotation is: (= |ULTIMATE.start_test_~op1~0#1| 0) [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point $Ultimate##117(lines 1104 1118) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point L2677(lines 2677 2688) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1115) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L902 garLoopResultBuilder]: At program point L1108-1(lines 962 1129) the Hoare annotation is: true [2023-11-29 05:33:54,778 INFO L895 garLoopResultBuilder]: At program point L1769(line 1769) the Hoare annotation is: (= |ULTIMATE.start_test_~op5~0#1| 0) [2023-11-29 05:33:54,778 INFO L895 garLoopResultBuilder]: At program point L1769-1(line 1769) the Hoare annotation is: (= |ULTIMATE.start_test_~op5~0#1| 0) [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point L1703(line 1703) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point getEmailFromFINAL(lines 174 192) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point getEmailFromEXIT(lines 174 192) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 192) the Hoare annotation is: true [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 188) no Hoare annotation was computed. [2023-11-29 05:33:54,778 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point isReadableEXIT(lines 1203 1211) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1203 1211) the Hoare annotation is: true [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2779(lines 2779 2787) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point setClientKeyringPublicKeyEXIT(lines 2752 2795) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2771(lines 2771 2775) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2767(lines 2767 2791) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2752 2795) the Hoare annotation is: true [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2757(lines 2757 2765) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2782(lines 2782 2786) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2790) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2778-1(lines 2752 2795) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2768(lines 2768 2776) no Hoare annotation was computed. [2023-11-29 05:33:54,779 INFO L899 garLoopResultBuilder]: For program point L2760(lines 2760 2764) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L899 garLoopResultBuilder]: For program point L2756(lines 2756 2792) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L899 garLoopResultBuilder]: For program point L2881(lines 2881 2885) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L899 garLoopResultBuilder]: For program point L2878(lines 2878 2886) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L899 garLoopResultBuilder]: For program point L2881-2(lines 2871 2890) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L899 garLoopResultBuilder]: For program point L2875(lines 2875 2887) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L899 garLoopResultBuilder]: For program point setClientIdEXIT(lines 2871 2890) no Hoare annotation was computed. [2023-11-29 05:33:54,780 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2871 2890) the Hoare annotation is: (and (= |old(~__ste_client_idCounter0~0)| ~__ste_client_idCounter0~0) (= |old(~__ste_client_idCounter1~0)| ~__ste_client_idCounter1~0) (= |old(~__ste_client_idCounter2~0)| ~__ste_client_idCounter2~0)) [2023-11-29 05:33:54,782 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:54,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:33:54,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:33:54 BoogieIcfgContainer [2023-11-29 05:33:54,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:33:54,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:33:54,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:33:54,791 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:33:54,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:31:11" (3/4) ... [2023-11-29 05:33:54,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2023-11-29 05:33:54,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2023-11-29 05:33:54,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2023-11-29 05:33:54,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2023-11-29 05:33:54,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2023-11-29 05:33:54,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2023-11-29 05:33:54,812 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 104 nodes and edges [2023-11-29 05:33:54,814 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2023-11-29 05:33:54,815 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 05:33:54,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:33:54,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 05:33:54,821 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:33:54,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:33:54,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:33:54,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:33:54,994 INFO L158 Benchmark]: Toolchain (without parser) took 165609.11ms. Allocated memory was 144.7MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 97.4MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-29 05:33:54,995 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:54,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.84ms. Allocated memory is still 144.7MB. Free memory was 97.1MB in the beginning and 101.0MB in the end (delta: -4.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-29 05:33:54,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.59ms. Allocated memory is still 144.7MB. Free memory was 101.0MB in the beginning and 95.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:33:54,996 INFO L158 Benchmark]: Boogie Preprocessor took 81.46ms. Allocated memory is still 144.7MB. Free memory was 95.3MB in the beginning and 88.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:33:54,996 INFO L158 Benchmark]: RCFGBuilder took 928.62ms. Allocated memory is still 144.7MB. Free memory was 88.5MB in the beginning and 73.9MB in the end (delta: 14.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-29 05:33:54,996 INFO L158 Benchmark]: TraceAbstraction took 163557.98ms. Allocated memory was 144.7MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 73.5MB in the beginning and 6.1GB in the end (delta: -6.0GB). Peak memory consumption was 5.4GB. Max. memory is 16.1GB. [2023-11-29 05:33:54,997 INFO L158 Benchmark]: Witness Printer took 203.20ms. Allocated memory is still 7.3GB. Free memory was 6.1GB in the beginning and 6.0GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:33:54,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.84ms. Allocated memory is still 144.7MB. Free memory was 97.1MB in the beginning and 101.0MB in the end (delta: -4.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.59ms. Allocated memory is still 144.7MB. Free memory was 101.0MB in the beginning and 95.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.46ms. Allocated memory is still 144.7MB. Free memory was 95.3MB in the beginning and 88.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 928.62ms. Allocated memory is still 144.7MB. Free memory was 88.5MB in the beginning and 73.9MB in the end (delta: 14.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * TraceAbstraction took 163557.98ms. Allocated memory was 144.7MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 73.5MB in the beginning and 6.1GB in the end (delta: -6.0GB). Peak memory consumption was 5.4GB. Max. memory is 16.1GB. * Witness Printer took 203.20ms. Allocated memory is still 7.3GB. Free memory was 6.1GB in the beginning and 6.0GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] - GenericResultAtLocation [Line: 79]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [79] - GenericResultAtLocation [Line: 97]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] - GenericResultAtLocation [Line: 509]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [509] - GenericResultAtLocation [Line: 547]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [547] - GenericResultAtLocation [Line: 913]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [913] - GenericResultAtLocation [Line: 1138]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1138] - GenericResultAtLocation [Line: 1236]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1236] - GenericResultAtLocation [Line: 1533]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1533] - GenericResultAtLocation [Line: 1815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1815] - GenericResultAtLocation [Line: 1824]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1824] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1820]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 273 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 163.5s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 31.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 115.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15642 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15426 mSDsluCounter, 19238 SdHoareTripleChecker+Invalid, 17.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14589 mSDsCounter, 4772 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29493 IncrementalHoareTripleChecker+Invalid, 34265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4772 mSolverCounterUnsat, 4649 mSDtfsCounter, 29493 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1330 GetRequests, 1065 SyntacticMatches, 0 SemanticMatches, 265 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93842occurred in iteration=20, InterpolantAutomatonStates: 185, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 1930 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 39347 PreInvPairs, 60960 NumberOfFragments, 252 HoareAnnotationTreeSize, 39347 FomulaSimplifications, 3036657976976 FormulaSimplificationTreeSizeReduction, 114.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 112 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2509 NumberOfCodeBlocks, 2509 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2573 ConstructedInterpolants, 0 QuantifiedInterpolants, 4571 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5763 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 818/842 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 05:33:55,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4670bdf0-015a-4399-81ce-9eabb08ddda0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE