./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1 --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 b949d09d593112e13964b4b5b0eef0c6cd05359df7437e0305220f7a663828f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:53:04,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:53:04,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:53:04,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:53:04,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:53:04,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:53:04,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:53:04,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:53:04,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:53:04,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:53:04,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:53:04,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:53:04,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:53:04,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:53:04,681 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:53:04,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:53:04,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:53:04,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:53:04,682 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:53:04,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:53:04,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:53:04,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:53:04,684 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1 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 -> b949d09d593112e13964b4b5b0eef0c6cd05359df7437e0305220f7a663828f7 [2024-12-02 10:53:04,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:53:04,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:53:04,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:53:04,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:53:04,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:53:04,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2024-12-02 10:53:07,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/data/9c1a67982/2268cdd71b77447c9dbaa61dd870ba95/FLAG2bbbbc665 [2024-12-02 10:53:07,923 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:53:07,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2024-12-02 10:53:07,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/data/9c1a67982/2268cdd71b77447c9dbaa61dd870ba95/FLAG2bbbbc665 [2024-12-02 10:53:08,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/data/9c1a67982/2268cdd71b77447c9dbaa61dd870ba95 [2024-12-02 10:53:08,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:53:08,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:53:08,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:53:08,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:53:08,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:53:08,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f444c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08, skipping insertion in model container [2024-12-02 10:53:08,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:53:08,460 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c[8145,8158] [2024-12-02 10:53:08,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:53:08,678 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:53:08,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [368] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [412] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [421] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [707] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [742] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [958] [2024-12-02 10:53:08,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [975] [2024-12-02 10:53:08,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1341] [2024-12-02 10:53:08,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1447] [2024-12-02 10:53:08,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2511] [2024-12-02 10:53:08,702 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c[8145,8158] [2024-12-02 10:53:08,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:53:08,801 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:53:08,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08 WrapperNode [2024-12-02 10:53:08,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:53:08,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:53:08,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:53:08,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:53:08,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,856 INFO L138 Inliner]: procedures = 126, calls = 192, calls flagged for inlining = 51, calls inlined = 43, statements flattened = 906 [2024-12-02 10:53:08,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:53:08,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:53:08,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:53:08,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:53:08,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,888 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-12-02 10:53:08,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,902 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:53:08,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:53:08,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:53:08,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:53:08,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (1/1) ... [2024-12-02 10:53:08,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:53:08,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:08,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:53:08,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:53:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 10:53:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 10:53:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-12-02 10:53:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-12-02 10:53:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 10:53:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 10:53:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-12-02 10:53:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-12-02 10:53:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 10:53:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 10:53:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 10:53:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 10:53:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 10:53:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 10:53:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 10:53:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 10:53:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-12-02 10:53:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-12-02 10:53:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 10:53:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 10:53:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-12-02 10:53:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-12-02 10:53:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 10:53:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 10:53:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 10:53:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 10:53:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 10:53:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 10:53:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:53:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:53:09,152 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:53:09,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:53:09,880 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-12-02 10:53:09,880 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:53:09,897 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:53:09,897 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:53:09,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:09 BoogieIcfgContainer [2024-12-02 10:53:09,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:53:09,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:53:09,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:53:09,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:53:09,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:53:08" (1/3) ... [2024-12-02 10:53:09,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaf88b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:53:09, skipping insertion in model container [2024-12-02 10:53:09,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:08" (2/3) ... [2024-12-02 10:53:09,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaf88b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:53:09, skipping insertion in model container [2024-12-02 10:53:09,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:09" (3/3) ... [2024-12-02 10:53:09,906 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec9_product14.cil.c [2024-12-02 10:53:09,916 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:53:09,918 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec9_product14.cil.c that has 22 procedures, 342 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:53:09,966 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:53:09,976 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ced1a3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:53:09,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:53:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 342 states, 267 states have (on average 1.5880149812734083) internal successors, (424), 272 states have internal predecessors, (424), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 10:53:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 10:53:09,994 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:09,995 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:09,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:09,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:10,000 INFO L85 PathProgramCache]: Analyzing trace with hash 358111522, now seen corresponding path program 1 times [2024-12-02 10:53:10,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:10,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595183629] [2024-12-02 10:53:10,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 10:53:10,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:10,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595183629] [2024-12-02 10:53:10,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595183629] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:10,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255648763] [2024-12-02 10:53:10,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:10,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:10,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:10,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:10,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:53:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:10,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:53:10,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 10:53:10,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:10,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255648763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:10,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:53:10,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 10:53:10,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791970766] [2024-12-02 10:53:10,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:10,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:10,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:10,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:10,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:53:10,900 INFO L87 Difference]: Start difference. First operand has 342 states, 267 states have (on average 1.5880149812734083) internal successors, (424), 272 states have internal predecessors, (424), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:10,962 INFO L93 Difference]: Finished difference Result 499 states and 760 transitions. [2024-12-02 10:53:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:10,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-12-02 10:53:10,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:10,975 INFO L225 Difference]: With dead ends: 499 [2024-12-02 10:53:10,976 INFO L226 Difference]: Without dead ends: 337 [2024-12-02 10:53:10,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:53:10,982 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 1 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:10,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1041 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:10,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-12-02 10:53:11,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 336. [2024-12-02 10:53:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 262 states have (on average 1.5801526717557253) internal successors, (414), 266 states have internal predecessors, (414), 52 states have call successors, (52), 21 states have call predecessors, (52), 21 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 10:53:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 517 transitions. [2024-12-02 10:53:11,035 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 517 transitions. Word has length 98 [2024-12-02 10:53:11,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:11,036 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 517 transitions. [2024-12-02 10:53:11,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 517 transitions. [2024-12-02 10:53:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 10:53:11,042 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:11,042 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:11,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:53:11,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:11,243 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:11,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:11,243 INFO L85 PathProgramCache]: Analyzing trace with hash 134878116, now seen corresponding path program 1 times [2024-12-02 10:53:11,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:11,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764211044] [2024-12-02 10:53:11,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:11,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 10:53:11,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:11,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764211044] [2024-12-02 10:53:11,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764211044] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:11,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76538953] [2024-12-02 10:53:11,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:11,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:11,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:11,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:11,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:53:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:11,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:53:11,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 10:53:11,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76538953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:11,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:53:11,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 10:53:11,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462413242] [2024-12-02 10:53:11,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:11,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:11,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:11,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:11,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:53:11,867 INFO L87 Difference]: Start difference. First operand 336 states and 517 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:11,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:11,911 INFO L93 Difference]: Finished difference Result 715 states and 1118 transitions. [2024-12-02 10:53:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:11,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2024-12-02 10:53:11,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:11,916 INFO L225 Difference]: With dead ends: 715 [2024-12-02 10:53:11,916 INFO L226 Difference]: Without dead ends: 405 [2024-12-02 10:53:11,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:53:11,918 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 126 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:11,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 990 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-12-02 10:53:11,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 397. [2024-12-02 10:53:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 309 states have (on average 1.598705501618123) internal successors, (494), 313 states have internal predecessors, (494), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 10:53:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 625 transitions. [2024-12-02 10:53:11,952 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 625 transitions. Word has length 103 [2024-12-02 10:53:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:11,953 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 625 transitions. [2024-12-02 10:53:11,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 625 transitions. [2024-12-02 10:53:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:53:11,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:11,957 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:11,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:53:12,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:12,157 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:12,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:12,158 INFO L85 PathProgramCache]: Analyzing trace with hash 379735569, now seen corresponding path program 1 times [2024-12-02 10:53:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:12,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580005634] [2024-12-02 10:53:12,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 10:53:12,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:12,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580005634] [2024-12-02 10:53:12,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580005634] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:12,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997908691] [2024-12-02 10:53:12,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:12,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:12,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:12,365 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:12,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:53:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:12,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:53:12,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 10:53:12,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:12,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997908691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:12,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:53:12,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 10:53:12,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165351834] [2024-12-02 10:53:12,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:12,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:12,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:12,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:12,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:53:12,716 INFO L87 Difference]: Start difference. First operand 397 states and 625 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:12,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:12,783 INFO L93 Difference]: Finished difference Result 785 states and 1240 transitions. [2024-12-02 10:53:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:12,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2024-12-02 10:53:12,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:12,786 INFO L225 Difference]: With dead ends: 785 [2024-12-02 10:53:12,786 INFO L226 Difference]: Without dead ends: 399 [2024-12-02 10:53:12,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:53:12,788 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 2 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:12,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2021 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:12,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-12-02 10:53:12,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-12-02 10:53:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 310 states have (on average 1.596774193548387) internal successors, (495), 315 states have internal predecessors, (495), 66 states have call successors, (66), 21 states have call predecessors, (66), 22 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-12-02 10:53:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 628 transitions. [2024-12-02 10:53:12,812 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 628 transitions. Word has length 104 [2024-12-02 10:53:12,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:12,813 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 628 transitions. [2024-12-02 10:53:12,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 628 transitions. [2024-12-02 10:53:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 10:53:12,816 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:12,816 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:12,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 10:53:13,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:13,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:13,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:13,017 INFO L85 PathProgramCache]: Analyzing trace with hash -298014492, now seen corresponding path program 1 times [2024-12-02 10:53:13,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:13,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238740815] [2024-12-02 10:53:13,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:13,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 10:53:13,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:13,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238740815] [2024-12-02 10:53:13,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238740815] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:13,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394639298] [2024-12-02 10:53:13,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:13,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:13,203 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:13,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:53:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:13,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:53:13,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 10:53:13,531 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:53:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394639298] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:13,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:53:13,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 10:53:13,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600639543] [2024-12-02 10:53:13,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:13,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:13,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:13,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:13,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:53:13,533 INFO L87 Difference]: Start difference. First operand 399 states and 628 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:13,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:13,600 INFO L93 Difference]: Finished difference Result 787 states and 1245 transitions. [2024-12-02 10:53:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:13,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2024-12-02 10:53:13,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:13,603 INFO L225 Difference]: With dead ends: 787 [2024-12-02 10:53:13,603 INFO L226 Difference]: Without dead ends: 401 [2024-12-02 10:53:13,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:53:13,605 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 2 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2007 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:13,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2007 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-12-02 10:53:13,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-12-02 10:53:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 311 states have (on average 1.594855305466238) internal successors, (496), 317 states have internal predecessors, (496), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-12-02 10:53:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 634 transitions. [2024-12-02 10:53:13,624 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 634 transitions. Word has length 105 [2024-12-02 10:53:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:13,624 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 634 transitions. [2024-12-02 10:53:13,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 634 transitions. [2024-12-02 10:53:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 10:53:13,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:13,627 INFO L218 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] [2024-12-02 10:53:13,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:53:13,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:13,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:13,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash -421677194, now seen corresponding path program 1 times [2024-12-02 10:53:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:13,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190209199] [2024-12-02 10:53:13,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:13,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 10:53:13,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:13,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190209199] [2024-12-02 10:53:13,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190209199] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:13,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:13,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:13,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130170390] [2024-12-02 10:53:13,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:13,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:13,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:13,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:13,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:13,946 INFO L87 Difference]: Start difference. First operand 401 states and 634 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:13,986 INFO L93 Difference]: Finished difference Result 779 states and 1236 transitions. [2024-12-02 10:53:13,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:13,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-12-02 10:53:13,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:13,990 INFO L225 Difference]: With dead ends: 779 [2024-12-02 10:53:13,990 INFO L226 Difference]: Without dead ends: 401 [2024-12-02 10:53:13,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:13,992 INFO L435 NwaCegarLoop]: 509 mSDtfsCounter, 2 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:13,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2025 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:13,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-12-02 10:53:14,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-12-02 10:53:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 311 states have (on average 1.594855305466238) internal successors, (496), 317 states have internal predecessors, (496), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-12-02 10:53:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 633 transitions. [2024-12-02 10:53:14,009 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 633 transitions. Word has length 106 [2024-12-02 10:53:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:14,009 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 633 transitions. [2024-12-02 10:53:14,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 633 transitions. [2024-12-02 10:53:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 10:53:14,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:14,012 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:14,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:53:14,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:14,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2059605931, now seen corresponding path program 2 times [2024-12-02 10:53:14,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:14,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007625257] [2024-12-02 10:53:14,013 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:53:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:14,045 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:53:14,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:53:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 10:53:14,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007625257] [2024-12-02 10:53:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007625257] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:14,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:14,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:14,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479814967] [2024-12-02 10:53:14,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:14,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:14,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:14,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:14,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:14,128 INFO L87 Difference]: Start difference. First operand 401 states and 633 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:14,182 INFO L93 Difference]: Finished difference Result 777 states and 1231 transitions. [2024-12-02 10:53:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:14,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-12-02 10:53:14,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:14,185 INFO L225 Difference]: With dead ends: 777 [2024-12-02 10:53:14,185 INFO L226 Difference]: Without dead ends: 401 [2024-12-02 10:53:14,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:14,187 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 2 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:14,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2011 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:14,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-12-02 10:53:14,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-12-02 10:53:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 311 states have (on average 1.594855305466238) internal successors, (496), 317 states have internal predecessors, (496), 66 states have call successors, (66), 21 states have call predecessors, (66), 23 states have return successors, (70), 64 states have call predecessors, (70), 65 states have call successors, (70) [2024-12-02 10:53:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 632 transitions. [2024-12-02 10:53:14,202 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 632 transitions. Word has length 107 [2024-12-02 10:53:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:14,203 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 632 transitions. [2024-12-02 10:53:14,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 632 transitions. [2024-12-02 10:53:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 10:53:14,205 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:14,206 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:14,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:53:14,206 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:14,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:14,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1928271265, now seen corresponding path program 3 times [2024-12-02 10:53:14,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:14,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775842866] [2024-12-02 10:53:14,207 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 10:53:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:14,233 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 10:53:14,233 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:53:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 10:53:14,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:14,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775842866] [2024-12-02 10:53:14,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775842866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:14,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:14,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:14,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007529629] [2024-12-02 10:53:14,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:14,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:14,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:14,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:14,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:14,304 INFO L87 Difference]: Start difference. First operand 401 states and 632 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:14,357 INFO L93 Difference]: Finished difference Result 779 states and 1237 transitions. [2024-12-02 10:53:14,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:14,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-12-02 10:53:14,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:14,361 INFO L225 Difference]: With dead ends: 779 [2024-12-02 10:53:14,361 INFO L226 Difference]: Without dead ends: 403 [2024-12-02 10:53:14,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:14,363 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 1 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:14,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2022 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-12-02 10:53:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-12-02 10:53:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 312 states have (on average 1.5929487179487178) internal successors, (497), 319 states have internal predecessors, (497), 66 states have call successors, (66), 21 states have call predecessors, (66), 24 states have return successors, (75), 64 states have call predecessors, (75), 65 states have call successors, (75) [2024-12-02 10:53:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 638 transitions. [2024-12-02 10:53:14,376 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 638 transitions. Word has length 108 [2024-12-02 10:53:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:14,377 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 638 transitions. [2024-12-02 10:53:14,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 638 transitions. [2024-12-02 10:53:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:53:14,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:14,378 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:14,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:53:14,378 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:14,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash -680847674, now seen corresponding path program 1 times [2024-12-02 10:53:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:14,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216923830] [2024-12-02 10:53:14,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:14,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 10:53:14,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:14,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216923830] [2024-12-02 10:53:14,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216923830] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:14,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:14,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:53:14,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32918046] [2024-12-02 10:53:14,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:14,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:53:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:14,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:53:14,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:14,494 INFO L87 Difference]: Start difference. First operand 403 states and 638 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:14,537 INFO L93 Difference]: Finished difference Result 785 states and 1247 transitions. [2024-12-02 10:53:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:53:14,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-12-02 10:53:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:14,540 INFO L225 Difference]: With dead ends: 785 [2024-12-02 10:53:14,540 INFO L226 Difference]: Without dead ends: 405 [2024-12-02 10:53:14,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:53:14,542 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 1 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:14,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2028 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-12-02 10:53:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-12-02 10:53:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 313 states have (on average 1.5910543130990416) internal successors, (498), 321 states have internal predecessors, (498), 66 states have call successors, (66), 21 states have call predecessors, (66), 25 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-12-02 10:53:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 641 transitions. [2024-12-02 10:53:14,554 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 641 transitions. Word has length 109 [2024-12-02 10:53:14,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:14,554 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 641 transitions. [2024-12-02 10:53:14,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 10:53:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 641 transitions. [2024-12-02 10:53:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 10:53:14,556 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:14,556 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:14,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:53:14,556 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:14,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:14,557 INFO L85 PathProgramCache]: Analyzing trace with hash 760654860, now seen corresponding path program 1 times [2024-12-02 10:53:14,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:14,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504811670] [2024-12-02 10:53:14,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:14,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:14,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:14,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504811670] [2024-12-02 10:53:14,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504811670] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:53:14,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879456266] [2024-12-02 10:53:14,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:53:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:53:14,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:53:14,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:53:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:14,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:53:14,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:53:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:14,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:53:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:15,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879456266] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:53:15,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:53:15,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 10:53:15,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093476569] [2024-12-02 10:53:15,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:53:15,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:53:15,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:15,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:53:15,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:15,044 INFO L87 Difference]: Start difference. First operand 405 states and 641 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 10:53:15,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:15,229 INFO L93 Difference]: Finished difference Result 965 states and 1582 transitions. [2024-12-02 10:53:15,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:53:15,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2024-12-02 10:53:15,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:15,235 INFO L225 Difference]: With dead ends: 965 [2024-12-02 10:53:15,235 INFO L226 Difference]: Without dead ends: 816 [2024-12-02 10:53:15,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:53:15,236 INFO L435 NwaCegarLoop]: 551 mSDtfsCounter, 558 mSDsluCounter, 1857 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:15,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 2408 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:53:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-12-02 10:53:15,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 792. [2024-12-02 10:53:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 621 states have (on average 1.6505636070853462) internal successors, (1025), 629 states have internal predecessors, (1025), 145 states have call successors, (145), 21 states have call predecessors, (145), 25 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-12-02 10:53:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1336 transitions. [2024-12-02 10:53:15,261 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1336 transitions. Word has length 110 [2024-12-02 10:53:15,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:15,261 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1336 transitions. [2024-12-02 10:53:15,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 10:53:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1336 transitions. [2024-12-02 10:53:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 10:53:15,265 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:15,265 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:15,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 10:53:15,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0018fd5e-7a33-4ac8-b025-0dd0f819f170/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 10:53:15,466 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:15,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:15,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2073301460, now seen corresponding path program 1 times [2024-12-02 10:53:15,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:15,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711646238] [2024-12-02 10:53:15,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:15,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:15,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711646238] [2024-12-02 10:53:15,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711646238] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:15,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:15,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:15,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41416076] [2024-12-02 10:53:15,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:15,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:15,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:15,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:15,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:15,518 INFO L87 Difference]: Start difference. First operand 792 states and 1336 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:15,552 INFO L93 Difference]: Finished difference Result 1909 states and 3264 transitions. [2024-12-02 10:53:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:15,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-12-02 10:53:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:15,557 INFO L225 Difference]: With dead ends: 1909 [2024-12-02 10:53:15,557 INFO L226 Difference]: Without dead ends: 1183 [2024-12-02 10:53:15,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:15,560 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 124 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:15,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1043 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-12-02 10:53:15,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1175. [2024-12-02 10:53:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 925 states have (on average 1.6627027027027026) internal successors, (1538), 933 states have internal predecessors, (1538), 224 states have call successors, (224), 21 states have call predecessors, (224), 25 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-12-02 10:53:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 2017 transitions. [2024-12-02 10:53:15,598 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 2017 transitions. Word has length 117 [2024-12-02 10:53:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:15,598 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 2017 transitions. [2024-12-02 10:53:15,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2017 transitions. [2024-12-02 10:53:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 10:53:15,604 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:15,604 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:15,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:53:15,604 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:15,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:15,605 INFO L85 PathProgramCache]: Analyzing trace with hash -267652556, now seen corresponding path program 1 times [2024-12-02 10:53:15,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:15,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506039339] [2024-12-02 10:53:15,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:15,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:15,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:15,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506039339] [2024-12-02 10:53:15,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506039339] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:15,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:15,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:15,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154281243] [2024-12-02 10:53:15,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:15,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:15,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:15,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:15,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:15,670 INFO L87 Difference]: Start difference. First operand 1175 states and 2017 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:15,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:15,720 INFO L93 Difference]: Finished difference Result 2841 states and 4905 transitions. [2024-12-02 10:53:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:15,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-12-02 10:53:15,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:15,727 INFO L225 Difference]: With dead ends: 2841 [2024-12-02 10:53:15,728 INFO L226 Difference]: Without dead ends: 1783 [2024-12-02 10:53:15,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:15,731 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 122 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:15,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1026 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:15,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2024-12-02 10:53:15,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1775. [2024-12-02 10:53:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1406 states have (on average 1.670697012802276) internal successors, (2349), 1414 states have internal predecessors, (2349), 343 states have call successors, (343), 21 states have call predecessors, (343), 25 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-12-02 10:53:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 3066 transitions. [2024-12-02 10:53:15,790 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 3066 transitions. Word has length 118 [2024-12-02 10:53:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:15,790 INFO L471 AbstractCegarLoop]: Abstraction has 1775 states and 3066 transitions. [2024-12-02 10:53:15,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 3066 transitions. [2024-12-02 10:53:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 10:53:15,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:15,797 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:15,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:53:15,797 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:15,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:15,798 INFO L85 PathProgramCache]: Analyzing trace with hash 310668338, now seen corresponding path program 1 times [2024-12-02 10:53:15,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:15,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747178462] [2024-12-02 10:53:15,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:15,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:15,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747178462] [2024-12-02 10:53:15,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747178462] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:15,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:15,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:15,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864823514] [2024-12-02 10:53:15,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:15,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:15,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:15,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:15,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:15,855 INFO L87 Difference]: Start difference. First operand 1775 states and 3066 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:15,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:15,932 INFO L93 Difference]: Finished difference Result 4238 states and 7377 transitions. [2024-12-02 10:53:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:15,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-12-02 10:53:15,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:15,950 INFO L225 Difference]: With dead ends: 4238 [2024-12-02 10:53:15,950 INFO L226 Difference]: Without dead ends: 2701 [2024-12-02 10:53:15,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:15,957 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 120 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:15,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1021 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:15,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2024-12-02 10:53:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2693. [2024-12-02 10:53:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 2162 states have (on average 1.677613320999075) internal successors, (3627), 2170 states have internal predecessors, (3627), 505 states have call successors, (505), 21 states have call predecessors, (505), 25 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-12-02 10:53:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 4684 transitions. [2024-12-02 10:53:16,101 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 4684 transitions. Word has length 119 [2024-12-02 10:53:16,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:16,102 INFO L471 AbstractCegarLoop]: Abstraction has 2693 states and 4684 transitions. [2024-12-02 10:53:16,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 4684 transitions. [2024-12-02 10:53:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 10:53:16,115 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:16,115 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:16,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:53:16,116 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:16,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1720210573, now seen corresponding path program 1 times [2024-12-02 10:53:16,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:16,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435196974] [2024-12-02 10:53:16,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:16,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:16,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:16,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435196974] [2024-12-02 10:53:16,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435196974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:16,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:16,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:16,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655235523] [2024-12-02 10:53:16,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:16,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:16,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:16,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:16,187 INFO L87 Difference]: Start difference. First operand 2693 states and 4684 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:16,356 INFO L93 Difference]: Finished difference Result 6441 states and 11283 transitions. [2024-12-02 10:53:16,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:16,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-12-02 10:53:16,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:16,381 INFO L225 Difference]: With dead ends: 6441 [2024-12-02 10:53:16,382 INFO L226 Difference]: Without dead ends: 4183 [2024-12-02 10:53:16,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:16,391 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 118 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:16,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1021 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:16,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2024-12-02 10:53:16,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 4175. [2024-12-02 10:53:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4175 states, 3399 states have (on average 1.6825536922624302) internal successors, (5719), 3407 states have internal predecessors, (5719), 750 states have call successors, (750), 21 states have call predecessors, (750), 25 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-12-02 10:53:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 4175 states and 7292 transitions. [2024-12-02 10:53:16,652 INFO L78 Accepts]: Start accepts. Automaton has 4175 states and 7292 transitions. Word has length 120 [2024-12-02 10:53:16,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:16,653 INFO L471 AbstractCegarLoop]: Abstraction has 4175 states and 7292 transitions. [2024-12-02 10:53:16,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 7292 transitions. [2024-12-02 10:53:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 10:53:16,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:16,670 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:16,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:53:16,671 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:16,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash 555334582, now seen corresponding path program 1 times [2024-12-02 10:53:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337241683] [2024-12-02 10:53:16,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:16,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:16,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337241683] [2024-12-02 10:53:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337241683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:16,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:16,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661255270] [2024-12-02 10:53:16,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:16,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:16,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:16,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:16,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:16,738 INFO L87 Difference]: Start difference. First operand 4175 states and 7292 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:16,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:16,973 INFO L93 Difference]: Finished difference Result 10380 states and 18218 transitions. [2024-12-02 10:53:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:16,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-12-02 10:53:16,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:17,014 INFO L225 Difference]: With dead ends: 10380 [2024-12-02 10:53:17,014 INFO L226 Difference]: Without dead ends: 6861 [2024-12-02 10:53:17,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:17,028 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 116 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:17,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1045 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:17,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6861 states. [2024-12-02 10:53:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6861 to 6853. [2024-12-02 10:53:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6853 states, 5584 states have (on average 1.6778295128939829) internal successors, (9369), 5592 states have internal predecessors, (9369), 1243 states have call successors, (1243), 21 states have call predecessors, (1243), 25 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-12-02 10:53:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6853 states to 6853 states and 11972 transitions. [2024-12-02 10:53:17,412 INFO L78 Accepts]: Start accepts. Automaton has 6853 states and 11972 transitions. Word has length 121 [2024-12-02 10:53:17,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:17,412 INFO L471 AbstractCegarLoop]: Abstraction has 6853 states and 11972 transitions. [2024-12-02 10:53:17,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 6853 states and 11972 transitions. [2024-12-02 10:53:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 10:53:17,436 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:17,436 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:17,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:53:17,436 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:17,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:17,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1336946705, now seen corresponding path program 1 times [2024-12-02 10:53:17,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:17,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593488867] [2024-12-02 10:53:17,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:17,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:17,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593488867] [2024-12-02 10:53:17,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593488867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:17,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:17,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:17,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606547290] [2024-12-02 10:53:17,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:17,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:17,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:17,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:17,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:17,504 INFO L87 Difference]: Start difference. First operand 6853 states and 11972 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:17,877 INFO L93 Difference]: Finished difference Result 17387 states and 30546 transitions. [2024-12-02 10:53:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-12-02 10:53:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:17,942 INFO L225 Difference]: With dead ends: 17387 [2024-12-02 10:53:17,942 INFO L226 Difference]: Without dead ends: 11551 [2024-12-02 10:53:17,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:17,969 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 114 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:17,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1024 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11551 states. [2024-12-02 10:53:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11551 to 11543. [2024-12-02 10:53:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11543 states, 9452 states have (on average 1.6772111722386795) internal successors, (15853), 9460 states have internal predecessors, (15853), 2065 states have call successors, (2065), 21 states have call predecessors, (2065), 25 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-12-02 10:53:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11543 states to 11543 states and 20178 transitions. [2024-12-02 10:53:18,669 INFO L78 Accepts]: Start accepts. Automaton has 11543 states and 20178 transitions. Word has length 122 [2024-12-02 10:53:18,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:18,670 INFO L471 AbstractCegarLoop]: Abstraction has 11543 states and 20178 transitions. [2024-12-02 10:53:18,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 11543 states and 20178 transitions. [2024-12-02 10:53:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 10:53:18,701 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:18,701 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:18,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 10:53:18,701 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:18,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:18,702 INFO L85 PathProgramCache]: Analyzing trace with hash -746426316, now seen corresponding path program 1 times [2024-12-02 10:53:18,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:18,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146141140] [2024-12-02 10:53:18,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:18,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:18,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:18,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146141140] [2024-12-02 10:53:18,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146141140] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:18,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:18,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:18,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853846223] [2024-12-02 10:53:18,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:18,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:18,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:18,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:18,765 INFO L87 Difference]: Start difference. First operand 11543 states and 20178 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:19,330 INFO L93 Difference]: Finished difference Result 27582 states and 48152 transitions. [2024-12-02 10:53:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:19,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-12-02 10:53:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:19,382 INFO L225 Difference]: With dead ends: 27582 [2024-12-02 10:53:19,382 INFO L226 Difference]: Without dead ends: 17978 [2024-12-02 10:53:19,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:19,401 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 112 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:19,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 998 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:19,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17978 states. [2024-12-02 10:53:19,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17978 to 17970. [2024-12-02 10:53:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17970 states, 14676 states have (on average 1.6525620059961843) internal successors, (24253), 14684 states have internal predecessors, (24253), 3268 states have call successors, (3268), 21 states have call predecessors, (3268), 25 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-12-02 10:53:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17970 states to 17970 states and 31128 transitions. [2024-12-02 10:53:19,937 INFO L78 Accepts]: Start accepts. Automaton has 17970 states and 31128 transitions. Word has length 123 [2024-12-02 10:53:19,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:19,938 INFO L471 AbstractCegarLoop]: Abstraction has 17970 states and 31128 transitions. [2024-12-02 10:53:19,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 17970 states and 31128 transitions. [2024-12-02 10:53:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 10:53:19,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:19,958 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:19,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:53:19,958 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:19,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash 654240142, now seen corresponding path program 1 times [2024-12-02 10:53:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335307836] [2024-12-02 10:53:19,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:20,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:20,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335307836] [2024-12-02 10:53:20,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335307836] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:20,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:20,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:20,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926740401] [2024-12-02 10:53:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:20,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:20,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:20,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:20,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:20,008 INFO L87 Difference]: Start difference. First operand 17970 states and 31128 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:20,828 INFO L93 Difference]: Finished difference Result 47564 states and 82676 transitions. [2024-12-02 10:53:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:20,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-12-02 10:53:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:20,932 INFO L225 Difference]: With dead ends: 47564 [2024-12-02 10:53:20,932 INFO L226 Difference]: Without dead ends: 32111 [2024-12-02 10:53:20,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:20,966 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 110 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:20,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1024 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:20,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32111 states. [2024-12-02 10:53:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32111 to 32103. [2024-12-02 10:53:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32103 states, 26359 states have (on average 1.64865890208278) internal successors, (43457), 26367 states have internal predecessors, (43457), 5718 states have call successors, (5718), 21 states have call predecessors, (5718), 25 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-12-02 10:53:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32103 states to 32103 states and 55506 transitions. [2024-12-02 10:53:22,227 INFO L78 Accepts]: Start accepts. Automaton has 32103 states and 55506 transitions. Word has length 124 [2024-12-02 10:53:22,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:22,227 INFO L471 AbstractCegarLoop]: Abstraction has 32103 states and 55506 transitions. [2024-12-02 10:53:22,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32103 states and 55506 transitions. [2024-12-02 10:53:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 10:53:22,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:22,244 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:22,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:53:22,244 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:22,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:22,244 INFO L85 PathProgramCache]: Analyzing trace with hash -442425702, now seen corresponding path program 1 times [2024-12-02 10:53:22,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:22,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134235733] [2024-12-02 10:53:22,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:22,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:22,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134235733] [2024-12-02 10:53:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134235733] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:22,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:22,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:22,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020338597] [2024-12-02 10:53:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:22,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:22,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:22,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:22,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:22,292 INFO L87 Difference]: Start difference. First operand 32103 states and 55506 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:23,517 INFO L93 Difference]: Finished difference Result 87626 states and 151943 transitions. [2024-12-02 10:53:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:23,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-12-02 10:53:23,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:23,731 INFO L225 Difference]: With dead ends: 87626 [2024-12-02 10:53:23,732 INFO L226 Difference]: Without dead ends: 58879 [2024-12-02 10:53:23,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:23,800 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 108 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:23,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1025 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:23,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58879 states. [2024-12-02 10:53:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58879 to 58871. [2024-12-02 10:53:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58871 states, 48614 states have (on average 1.6437857407331222) internal successors, (79911), 48622 states have internal predecessors, (79911), 10231 states have call successors, (10231), 21 states have call predecessors, (10231), 25 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-12-02 10:53:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58871 states to 58871 states and 101518 transitions. [2024-12-02 10:53:25,722 INFO L78 Accepts]: Start accepts. Automaton has 58871 states and 101518 transitions. Word has length 125 [2024-12-02 10:53:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:25,722 INFO L471 AbstractCegarLoop]: Abstraction has 58871 states and 101518 transitions. [2024-12-02 10:53:25,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 58871 states and 101518 transitions. [2024-12-02 10:53:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 10:53:25,742 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:25,742 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:25,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:53:25,742 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:25,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:25,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2146547886, now seen corresponding path program 1 times [2024-12-02 10:53:25,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:25,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273065999] [2024-12-02 10:53:25,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:25,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:25,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:25,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273065999] [2024-12-02 10:53:25,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273065999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:25,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:25,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:53:25,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538492577] [2024-12-02 10:53:25,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:25,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:53:25,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:25,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:53:25,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:25,807 INFO L87 Difference]: Start difference. First operand 58871 states and 101518 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:27,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:27,451 INFO L93 Difference]: Finished difference Result 110198 states and 190433 transitions. [2024-12-02 10:53:27,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:53:27,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-12-02 10:53:27,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:27,770 INFO L225 Difference]: With dead ends: 110198 [2024-12-02 10:53:27,770 INFO L226 Difference]: Without dead ends: 110049 [2024-12-02 10:53:27,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:53:27,806 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 103 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:27,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1030 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:53:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110049 states. [2024-12-02 10:53:30,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110049 to 110041. [2024-12-02 10:53:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110041 states, 91416 states have (on average 1.6378970858493043) internal successors, (149730), 91424 states have internal predecessors, (149730), 18599 states have call successors, (18599), 21 states have call predecessors, (18599), 25 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-12-02 10:53:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110041 states to 110041 states and 189119 transitions. [2024-12-02 10:53:31,182 INFO L78 Accepts]: Start accepts. Automaton has 110041 states and 189119 transitions. Word has length 126 [2024-12-02 10:53:31,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:31,182 INFO L471 AbstractCegarLoop]: Abstraction has 110041 states and 189119 transitions. [2024-12-02 10:53:31,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:53:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 110041 states and 189119 transitions. [2024-12-02 10:53:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 10:53:31,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:31,220 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:31,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:53:31,220 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:31,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:31,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1502611579, now seen corresponding path program 1 times [2024-12-02 10:53:31,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:31,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287944210] [2024-12-02 10:53:31,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:31,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:31,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:31,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287944210] [2024-12-02 10:53:31,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287944210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:31,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:31,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 10:53:31,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959122501] [2024-12-02 10:53:31,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:31,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 10:53:31,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:31,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 10:53:31,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:53:31,668 INFO L87 Difference]: Start difference. First operand 110041 states and 189119 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-12-02 10:53:36,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:36,865 INFO L93 Difference]: Finished difference Result 219246 states and 382266 transitions. [2024-12-02 10:53:36,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 10:53:36,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 127 [2024-12-02 10:53:36,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:37,682 INFO L225 Difference]: With dead ends: 219246 [2024-12-02 10:53:37,682 INFO L226 Difference]: Without dead ends: 219103 [2024-12-02 10:53:37,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2024-12-02 10:53:37,747 INFO L435 NwaCegarLoop]: 602 mSDtfsCounter, 1320 mSDsluCounter, 5163 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 5765 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:37,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 5765 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:53:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219103 states. [2024-12-02 10:53:43,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219103 to 219068. [2024-12-02 10:53:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219068 states, 182065 states have (on average 1.6385082250844478) internal successors, (298315), 181970 states have internal predecessors, (298315), 36942 states have call successors, (36942), 54 states have call predecessors, (36942), 60 states have return successors, (44598), 37049 states have call predecessors, (44598), 36939 states have call successors, (44598) [2024-12-02 10:53:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219068 states to 219068 states and 379855 transitions. [2024-12-02 10:53:44,726 INFO L78 Accepts]: Start accepts. Automaton has 219068 states and 379855 transitions. Word has length 127 [2024-12-02 10:53:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:44,727 INFO L471 AbstractCegarLoop]: Abstraction has 219068 states and 379855 transitions. [2024-12-02 10:53:44,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-12-02 10:53:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 219068 states and 379855 transitions. [2024-12-02 10:53:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 10:53:44,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:44,790 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:44,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 10:53:44,790 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:44,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:44,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1352522256, now seen corresponding path program 1 times [2024-12-02 10:53:44,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:44,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172664825] [2024-12-02 10:53:44,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:44,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:45,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:45,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172664825] [2024-12-02 10:53:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172664825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:45,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:45,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:53:45,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670581340] [2024-12-02 10:53:45,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:45,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:53:45,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:45,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:53:45,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:53:45,037 INFO L87 Difference]: Start difference. First operand 219068 states and 379855 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-12-02 10:53:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:53:49,781 INFO L93 Difference]: Finished difference Result 219706 states and 380812 transitions. [2024-12-02 10:53:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 10:53:49,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 128 [2024-12-02 10:53:49,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:53:50,325 INFO L225 Difference]: With dead ends: 219706 [2024-12-02 10:53:50,325 INFO L226 Difference]: Without dead ends: 219274 [2024-12-02 10:53:50,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-12-02 10:53:50,381 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 634 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 3768 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:53:50,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 3768 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:53:50,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219274 states. [2024-12-02 10:53:56,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219274 to 219272. [2024-12-02 10:53:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219272 states, 182206 states have (on average 1.6382940188577764) internal successors, (298507), 182119 states have internal predecessors, (298507), 37002 states have call successors, (37002), 60 states have call predecessors, (37002), 63 states have return successors, (44659), 37104 states have call predecessors, (44659), 36993 states have call successors, (44659) [2024-12-02 10:53:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219272 states to 219272 states and 380168 transitions. [2024-12-02 10:53:57,345 INFO L78 Accepts]: Start accepts. Automaton has 219272 states and 380168 transitions. Word has length 128 [2024-12-02 10:53:57,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:53:57,346 INFO L471 AbstractCegarLoop]: Abstraction has 219272 states and 380168 transitions. [2024-12-02 10:53:57,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 5 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-12-02 10:53:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 219272 states and 380168 transitions. [2024-12-02 10:53:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 10:53:57,385 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:53:57,385 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:53:57,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 10:53:57,386 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:53:57,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:53:57,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1703147976, now seen corresponding path program 1 times [2024-12-02 10:53:57,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:53:57,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801861902] [2024-12-02 10:53:57,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:53:57,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:53:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:53:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:53:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:53:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801861902] [2024-12-02 10:53:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801861902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:53:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:53:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:53:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994454795] [2024-12-02 10:53:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:53:57,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:53:57,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:53:57,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:53:57,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:53:57,451 INFO L87 Difference]: Start difference. First operand 219272 states and 380168 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:54:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:54:04,071 INFO L93 Difference]: Finished difference Result 328832 states and 579212 transitions. [2024-12-02 10:54:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:54:04,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-12-02 10:54:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:54:05,058 INFO L225 Difference]: With dead ends: 328832 [2024-12-02 10:54:05,059 INFO L226 Difference]: Without dead ends: 328432 [2024-12-02 10:54:05,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:54:05,151 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 453 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:54:05,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1571 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:54:05,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328432 states. [2024-12-02 10:54:13,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328432 to 328426. [2024-12-02 10:54:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328426 states, 272941 states have (on average 1.6384603265907285) internal successors, (447203), 272757 states have internal predecessors, (447203), 55385 states have call successors, (55385), 95 states have call predecessors, (55385), 99 states have return successors, (73865), 55593 states have call predecessors, (73865), 55370 states have call successors, (73865) [2024-12-02 10:54:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328426 states to 328426 states and 576453 transitions. [2024-12-02 10:54:14,851 INFO L78 Accepts]: Start accepts. Automaton has 328426 states and 576453 transitions. Word has length 128 [2024-12-02 10:54:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:54:14,851 INFO L471 AbstractCegarLoop]: Abstraction has 328426 states and 576453 transitions. [2024-12-02 10:54:14,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:54:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 328426 states and 576453 transitions. [2024-12-02 10:54:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 10:54:14,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:54:14,928 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:54:14,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 10:54:14,929 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:54:14,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:54:14,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1280446150, now seen corresponding path program 1 times [2024-12-02 10:54:14,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:54:14,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515629016] [2024-12-02 10:54:14,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:54:14,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:54:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:54:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 10:54:15,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:54:15,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515629016] [2024-12-02 10:54:15,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515629016] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:54:15,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:54:15,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:54:15,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321220493] [2024-12-02 10:54:15,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:54:15,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:54:15,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:54:15,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:54:15,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:15,054 INFO L87 Difference]: Start difference. First operand 328426 states and 576453 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:54:21,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:54:21,829 INFO L93 Difference]: Finished difference Result 329827 states and 578501 transitions. [2024-12-02 10:54:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:54:21,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-12-02 10:54:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:54:22,693 INFO L225 Difference]: With dead ends: 329827 [2024-12-02 10:54:22,693 INFO L226 Difference]: Without dead ends: 328835 [2024-12-02 10:54:22,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:54:22,778 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 365 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:54:22,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 717 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:54:22,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328835 states. [2024-12-02 10:54:33,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328835 to 328825. [2024-12-02 10:54:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328825 states, 273256 states have (on average 1.6383208419943203) internal successors, (447681), 273084 states have internal predecessors, (447681), 55425 states have call successors, (55425), 140 states have call predecessors, (55425), 143 states have return successors, (73911), 55625 states have call predecessors, (73911), 55410 states have call successors, (73911) [2024-12-02 10:54:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328825 states to 328825 states and 577017 transitions. [2024-12-02 10:54:34,427 INFO L78 Accepts]: Start accepts. Automaton has 328825 states and 577017 transitions. Word has length 128 [2024-12-02 10:54:34,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:54:34,427 INFO L471 AbstractCegarLoop]: Abstraction has 328825 states and 577017 transitions. [2024-12-02 10:54:34,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:54:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 328825 states and 577017 transitions. [2024-12-02 10:54:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 10:54:35,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:54:35,187 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:54:35,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 10:54:35,187 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:54:35,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:54:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash -565281234, now seen corresponding path program 1 times [2024-12-02 10:54:35,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:54:35,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455307152] [2024-12-02 10:54:35,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:54:35,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:54:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:54:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-02 10:54:35,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:54:35,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455307152] [2024-12-02 10:54:35,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455307152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:54:35,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:54:35,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:54:35,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381728284] [2024-12-02 10:54:35,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:54:35,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:54:35,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:54:35,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:54:35,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:54:35,362 INFO L87 Difference]: Start difference. First operand 328825 states and 577017 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 10:54:47,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:54:47,656 INFO L93 Difference]: Finished difference Result 635188 states and 1118581 transitions. [2024-12-02 10:54:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:54:47,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 205 [2024-12-02 10:54:47,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:54:49,626 INFO L225 Difference]: With dead ends: 635188 [2024-12-02 10:54:49,626 INFO L226 Difference]: Without dead ends: 633792 [2024-12-02 10:54:49,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:54:49,797 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 466 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:54:49,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 2662 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:54:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633792 states.