./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU --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 39fe77adb61a1e466f06fcf9920e7f42d562f22740249d3a797ea504e0f3c31a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:25,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:26,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:19:26,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:26,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:26,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:26,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:26,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:26,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:26,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:26,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:26,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:26,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:26,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:26,126 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:26,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:26,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:26,127 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:19:26,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:26,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:19:26,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:26,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:26,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:26,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:26,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:26,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:19:26,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:26,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:26,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:26,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:26,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:26,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:26,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:26,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:26,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:26,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:26,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:26,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:26,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:26,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:26,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:26,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:26,143 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39fe77adb61a1e466f06fcf9920e7f42d562f22740249d3a797ea504e0f3c31a [2024-10-31 22:19:26,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:26,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:26,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:26,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:26,487 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:26,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c Unable to find full path for "g++" [2024-10-31 22:19:28,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:28,970 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:28,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2024-10-31 22:19:28,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/data/bda062ff8/5d158b0933d14a9587932bfcb6834cab/FLAGf3d4675bb [2024-10-31 22:19:29,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/data/bda062ff8/5d158b0933d14a9587932bfcb6834cab [2024-10-31 22:19:29,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:29,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:29,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:29,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:29,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:29,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:29" (1/1) ... [2024-10-31 22:19:29,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f062f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:29, skipping insertion in model container [2024-10-31 22:19:29,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:29" (1/1) ... [2024-10-31 22:19:29,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:29,805 WARN L251 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_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c[51595,51608] [2024-10-31 22:19:29,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:29,931 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:29,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-10-31 22:19:29,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1128] [2024-10-31 22:19:29,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1288] [2024-10-31 22:19:29,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1517] [2024-10-31 22:19:29,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1534] [2024-10-31 22:19:29,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1936] [2024-10-31 22:19:29,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1974] [2024-10-31 22:19:29,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [2380] [2024-10-31 22:19:29,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2412] [2024-10-31 22:19:29,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2421] [2024-10-31 22:19:29,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2787] [2024-10-31 22:19:30,068 WARN L251 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_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c[51595,51608] [2024-10-31 22:19:30,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:30,143 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:30,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30 WrapperNode [2024-10-31 22:19:30,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:30,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:30,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:30,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:30,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,298 INFO L138 Inliner]: procedures = 134, calls = 220, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1095 [2024-10-31 22:19:30,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:30,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:30,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:30,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:30,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,390 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]. [2024-10-31 22:19:30,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:30,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:30,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:30,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:30,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:30,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:30,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:30,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-31 22:19:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-31 22:19:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-31 22:19:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-31 22:19:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-31 22:19:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-31 22:19:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-31 22:19:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-31 22:19:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-31 22:19:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-31 22:19:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-31 22:19:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-31 22:19:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-31 22:19:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-31 22:19:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-31 22:19:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-31 22:19:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-31 22:19:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-31 22:19:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-31 22:19:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-31 22:19:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-31 22:19:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-31 22:19:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-31 22:19:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-31 22:19:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-31 22:19:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-31 22:19:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-31 22:19:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-31 22:19:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-31 22:19:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-31 22:19:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-10-31 22:19:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-10-31 22:19:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-31 22:19:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-31 22:19:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-31 22:19:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-31 22:19:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-31 22:19:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-31 22:19:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-31 22:19:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-31 22:19:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-10-31 22:19:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-10-31 22:19:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2024-10-31 22:19:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2024-10-31 22:19:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-10-31 22:19:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-10-31 22:19:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-31 22:19:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-31 22:19:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-31 22:19:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-31 22:19:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-31 22:19:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-31 22:19:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-31 22:19:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-31 22:19:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:19:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:19:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:19:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:19:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-31 22:19:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-31 22:19:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-31 22:19:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-31 22:19:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:30,951 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:30,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:32,347 INFO L? ?]: Removed 582 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:32,347 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:32,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:32,386 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:19:32,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:32 BoogieIcfgContainer [2024-10-31 22:19:32,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:32,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:32,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:32,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:32,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:19:29" (1/3) ... [2024-10-31 22:19:32,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6329320d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:32, skipping insertion in model container [2024-10-31 22:19:32,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30" (2/3) ... [2024-10-31 22:19:32,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6329320d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:32, skipping insertion in model container [2024-10-31 22:19:32,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:32" (3/3) ... [2024-10-31 22:19:32,401 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product34.cil.c [2024-10-31 22:19:32,419 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:32,419 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:19:32,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:19:32,509 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;@690c20f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:19:32,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:19:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 453 states, 349 states have (on average 1.5329512893982808) internal successors, (535), 354 states have internal predecessors, (535), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-31 22:19:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-31 22:19:32,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:32,550 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-31 22:19:32,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:32,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash -10753116, now seen corresponding path program 1 times [2024-10-31 22:19:32,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:32,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947315364] [2024-10-31 22:19:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:32,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:19:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:19:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:19:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:19:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-31 22:19:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:19:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:19:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:19:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:19:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:19:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-31 22:19:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:19:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:19:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 22:19:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 22:19:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:19:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:19:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-31 22:19:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:19:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-10-31 22:19:33,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:33,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947315364] [2024-10-31 22:19:33,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947315364] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:33,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022753010] [2024-10-31 22:19:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:33,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:33,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:33,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:33,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:19:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:34,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:19:34,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-10-31 22:19:34,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:34,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022753010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:34,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:34,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-31 22:19:34,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128125396] [2024-10-31 22:19:34,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:34,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:19:34,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:34,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:19:34,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:34,452 INFO L87 Difference]: Start difference. First operand has 453 states, 349 states have (on average 1.5329512893982808) internal successors, (535), 354 states have internal predecessors, (535), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-31 22:19:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:34,582 INFO L93 Difference]: Finished difference Result 713 states and 1052 transitions. [2024-10-31 22:19:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:19:34,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2024-10-31 22:19:34,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:34,609 INFO L225 Difference]: With dead ends: 713 [2024-10-31 22:19:34,610 INFO L226 Difference]: Without dead ends: 446 [2024-10-31 22:19:34,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:34,627 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:34,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-31 22:19:34,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2024-10-31 22:19:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 343 states have (on average 1.5276967930029155) internal successors, (524), 347 states have internal predecessors, (524), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-31 22:19:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 669 transitions. [2024-10-31 22:19:34,740 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 669 transitions. Word has length 170 [2024-10-31 22:19:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:34,742 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 669 transitions. [2024-10-31 22:19:34,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-31 22:19:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 669 transitions. [2024-10-31 22:19:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-31 22:19:34,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:34,749 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-31 22:19:34,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:19:34,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-31 22:19:34,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:34,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:34,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1271687347, now seen corresponding path program 1 times [2024-10-31 22:19:34,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:34,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532932294] [2024-10-31 22:19:34,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:34,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:19:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:19:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:19:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:19:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 22:19:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:19:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:19:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-31 22:19:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:19:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 22:19:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-31 22:19:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-31 22:19:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:19:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-31 22:19:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 22:19:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:19:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-31 22:19:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:35,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532932294] [2024-10-31 22:19:35,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532932294] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:35,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629076941] [2024-10-31 22:19:35,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:35,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:35,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:35,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:35,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:19:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:35,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:19:35,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-31 22:19:36,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:36,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629076941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:36,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:36,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-31 22:19:36,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740802873] [2024-10-31 22:19:36,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:36,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:36,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:36,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:36,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:36,027 INFO L87 Difference]: Start difference. First operand 446 states and 669 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 22:19:36,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:36,099 INFO L93 Difference]: Finished difference Result 703 states and 1030 transitions. [2024-10-31 22:19:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:36,101 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 152 [2024-10-31 22:19:36,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:36,109 INFO L225 Difference]: With dead ends: 703 [2024-10-31 22:19:36,109 INFO L226 Difference]: Without dead ends: 449 [2024-10-31 22:19:36,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:36,114 INFO L432 NwaCegarLoop]: 667 mSDtfsCounter, 1 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:36,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1332 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-31 22:19:36,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 448. [2024-10-31 22:19:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 345 states have (on average 1.5246376811594202) internal successors, (526), 349 states have internal predecessors, (526), 73 states have call successors, (73), 29 states have call predecessors, (73), 29 states have return successors, (72), 71 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-31 22:19:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 671 transitions. [2024-10-31 22:19:36,164 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 671 transitions. Word has length 152 [2024-10-31 22:19:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:36,164 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 671 transitions. [2024-10-31 22:19:36,165 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 22:19:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 671 transitions. [2024-10-31 22:19:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-31 22:19:36,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:36,171 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-31 22:19:36,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:19:36,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:36,372 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:36,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:36,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1858800220, now seen corresponding path program 1 times [2024-10-31 22:19:36,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:36,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076746349] [2024-10-31 22:19:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:36,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:19:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:19:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:19:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:19:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:19:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 22:19:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:19:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:19:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-31 22:19:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-31 22:19:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-31 22:19:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:19:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:19:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-31 22:19:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:19:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-31 22:19:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-31 22:19:36,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:36,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076746349] [2024-10-31 22:19:36,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076746349] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:36,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123163845] [2024-10-31 22:19:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:36,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:36,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:36,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:36,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:19:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:37,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-31 22:19:37,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:37,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123163845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:37,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:37,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-31 22:19:37,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066596272] [2024-10-31 22:19:37,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:37,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:37,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:37,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:37,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:37,284 INFO L87 Difference]: Start difference. First operand 448 states and 671 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 22:19:37,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:37,339 INFO L93 Difference]: Finished difference Result 944 states and 1434 transitions. [2024-10-31 22:19:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:37,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2024-10-31 22:19:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:37,346 INFO L225 Difference]: With dead ends: 944 [2024-10-31 22:19:37,346 INFO L226 Difference]: Without dead ends: 523 [2024-10-31 22:19:37,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:37,351 INFO L432 NwaCegarLoop]: 681 mSDtfsCounter, 134 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1303 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 [2024-10-31 22:19:37,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1303 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:37,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-31 22:19:37,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 515. [2024-10-31 22:19:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 402 states have internal predecessors, (615), 87 states have call successors, (87), 29 states have call predecessors, (87), 29 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-31 22:19:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 788 transitions. [2024-10-31 22:19:37,399 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 788 transitions. Word has length 158 [2024-10-31 22:19:37,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:37,400 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 788 transitions. [2024-10-31 22:19:37,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 22:19:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 788 transitions. [2024-10-31 22:19:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-31 22:19:37,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:37,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-31 22:19:37,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:37,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:37,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:37,609 INFO L85 PathProgramCache]: Analyzing trace with hash -540724864, now seen corresponding path program 1 times [2024-10-31 22:19:37,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:37,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486221932] [2024-10-31 22:19:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:37,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:19:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-31 22:19:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:19:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:19:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:19:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:19:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:19:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-31 22:19:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-31 22:19:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:19:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 22:19:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 22:19:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:19:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 22:19:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-31 22:19:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:19:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-31 22:19:38,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:38,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486221932] [2024-10-31 22:19:38,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486221932] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:38,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293610072] [2024-10-31 22:19:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:38,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:38,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:38,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:19:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:19:38,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:19:38,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:38,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293610072] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:38,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:38,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-31 22:19:38,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464168759] [2024-10-31 22:19:38,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:38,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:38,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:38,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:38,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:38,650 INFO L87 Difference]: Start difference. First operand 515 states and 788 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-31 22:19:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:38,735 INFO L93 Difference]: Finished difference Result 1021 states and 1566 transitions. [2024-10-31 22:19:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2024-10-31 22:19:38,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:38,741 INFO L225 Difference]: With dead ends: 1021 [2024-10-31 22:19:38,741 INFO L226 Difference]: Without dead ends: 517 [2024-10-31 22:19:38,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:38,746 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 2 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2633 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 [2024-10-31 22:19:38,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2633 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-10-31 22:19:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2024-10-31 22:19:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 404 states have internal predecessors, (616), 87 states have call successors, (87), 29 states have call predecessors, (87), 30 states have return successors, (88), 85 states have call predecessors, (88), 86 states have call successors, (88) [2024-10-31 22:19:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 791 transitions. [2024-10-31 22:19:38,788 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 791 transitions. Word has length 159 [2024-10-31 22:19:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:38,790 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 791 transitions. [2024-10-31 22:19:38,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-31 22:19:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 791 transitions. [2024-10-31 22:19:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-31 22:19:38,796 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:38,796 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-10-31 22:19:38,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:19:38,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:38,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:38,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:38,997 INFO L85 PathProgramCache]: Analyzing trace with hash 942878596, now seen corresponding path program 1 times [2024-10-31 22:19:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:38,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335427220] [2024-10-31 22:19:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:19:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-31 22:19:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:19:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:19:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:19:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:19:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:19:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:19:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 22:19:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 22:19:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:19:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:19:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-31 22:19:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:19:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:19:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-31 22:19:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-31 22:19:39,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:39,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335427220] [2024-10-31 22:19:39,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335427220] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:39,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088244585] [2024-10-31 22:19:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:39,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:39,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:39,420 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:39,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:19:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:19:39,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:19:39,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:39,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088244585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:39,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:39,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-31 22:19:39,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079678223] [2024-10-31 22:19:39,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:39,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:39,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:39,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:19:39,925 INFO L87 Difference]: Start difference. First operand 517 states and 791 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-31 22:19:40,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:40,008 INFO L93 Difference]: Finished difference Result 1023 states and 1571 transitions. [2024-10-31 22:19:40,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:40,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2024-10-31 22:19:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:40,013 INFO L225 Difference]: With dead ends: 1023 [2024-10-31 22:19:40,013 INFO L226 Difference]: Without dead ends: 519 [2024-10-31 22:19:40,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:19:40,016 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 2 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2619 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 [2024-10-31 22:19:40,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2619 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:40,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-31 22:19:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2024-10-31 22:19:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 400 states have (on average 1.5425) internal successors, (617), 406 states have internal predecessors, (617), 87 states have call successors, (87), 29 states have call predecessors, (87), 31 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-31 22:19:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 797 transitions. [2024-10-31 22:19:40,038 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 797 transitions. Word has length 160 [2024-10-31 22:19:40,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:40,039 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 797 transitions. [2024-10-31 22:19:40,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-31 22:19:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 797 transitions. [2024-10-31 22:19:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-31 22:19:40,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:40,043 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:40,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:19:40,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebcfdcb4-2a6a-4928-92fa-ef3298754f21/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:40,244 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:40,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:40,245 INFO L85 PathProgramCache]: Analyzing trace with hash 513357814, now seen corresponding path program 1 times [2024-10-31 22:19:40,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:40,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891441584] [2024-10-31 22:19:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:19:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:19:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:19:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-31 22:19:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:19:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:19:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-31 22:19:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:19:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 22:19:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:19:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-31 22:19:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-31 22:19:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-31 22:19:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-31 22:19:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-31 22:19:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-31 22:19:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-31 22:19:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:19:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-31 22:19:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:19:40,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:40,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891441584] [2024-10-31 22:19:40,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891441584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:40,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:40,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:19:40,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359075625] [2024-10-31 22:19:40,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:40,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:19:40,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:40,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:19:40,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:40,645 INFO L87 Difference]: Start difference. First operand 519 states and 797 transitions. Second operand has 9 states, 8 states have (on average 13.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-31 22:19:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:44,265 INFO L93 Difference]: Finished difference Result 1218 states and 1886 transitions. [2024-10-31 22:19:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:19:44,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 180 [2024-10-31 22:19:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:44,276 INFO L225 Difference]: With dead ends: 1218 [2024-10-31 22:19:44,276 INFO L226 Difference]: Without dead ends: 722 [2024-10-31 22:19:44,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:19:44,281 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1622 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3075 mSolverCounterSat, 612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 3075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:44,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 1338 Invalid, 3687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 3075 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-31 22:19:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-10-31 22:19:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 519. [2024-10-31 22:19:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 400 states have (on average 1.5425) internal successors, (617), 406 states have internal predecessors, (617), 87 states have call successors, (87), 29 states have call predecessors, (87), 31 states have return successors, (92), 85 states have call predecessors, (92), 86 states have call successors, (92) [2024-10-31 22:19:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 796 transitions. [2024-10-31 22:19:44,365 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 796 transitions. Word has length 180 [2024-10-31 22:19:44,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:44,366 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 796 transitions. [2024-10-31 22:19:44,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-31 22:19:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 796 transitions. [2024-10-31 22:19:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-31 22:19:44,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:44,371 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:44,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:19:44,372 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:44,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:44,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1367436652, now seen corresponding path program 2 times [2024-10-31 22:19:44,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:44,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751078224] [2024-10-31 22:19:44,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:19:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:19:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:19:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-31 22:19:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-31 22:19:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:19:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-31 22:19:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:19:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:19:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-31 22:19:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-31 22:19:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:19:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-31 22:19:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 22:19:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 22:19:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:19:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:19:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-31 22:19:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:19:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:19:44,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:44,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751078224] [2024-10-31 22:19:44,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751078224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:44,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:44,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:19:44,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226723415] [2024-10-31 22:19:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:44,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:19:44,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:44,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:19:44,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:44,827 INFO L87 Difference]: Start difference. First operand 519 states and 796 transitions. Second operand has 9 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-31 22:19:48,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:48,328 INFO L93 Difference]: Finished difference Result 1220 states and 1889 transitions. [2024-10-31 22:19:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:19:48,329 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 181 [2024-10-31 22:19:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:48,335 INFO L225 Difference]: With dead ends: 1220 [2024-10-31 22:19:48,335 INFO L226 Difference]: Without dead ends: 724 [2024-10-31 22:19:48,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:19:48,339 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1646 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 3131 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 3724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 3131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:48,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 1338 Invalid, 3724 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [593 Valid, 3131 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-31 22:19:48,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-10-31 22:19:48,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 521. [2024-10-31 22:19:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 401 states have (on average 1.541147132169576) internal successors, (618), 408 states have internal predecessors, (618), 87 states have call successors, (87), 29 states have call predecessors, (87), 32 states have return successors, (94), 85 states have call predecessors, (94), 86 states have call successors, (94) [2024-10-31 22:19:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 799 transitions. [2024-10-31 22:19:48,393 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 799 transitions. Word has length 181 [2024-10-31 22:19:48,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:48,394 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 799 transitions. [2024-10-31 22:19:48,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-31 22:19:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 799 transitions. [2024-10-31 22:19:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-31 22:19:48,398 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:48,398 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1] [2024-10-31 22:19:48,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:19:48,399 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:48,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:48,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2031634942, now seen corresponding path program 1 times [2024-10-31 22:19:48,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:48,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063762855] [2024-10-31 22:19:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:19:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:19:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:19:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:19:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:19:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:19:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:19:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:19:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 22:19:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-31 22:19:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-31 22:19:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-31 22:19:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:19:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-31 22:19:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:19:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:19:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-31 22:19:48,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:48,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063762855] [2024-10-31 22:19:48,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063762855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:48,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:48,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:19:48,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455525630] [2024-10-31 22:19:48,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:48,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:19:48,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:48,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:19:48,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:48,775 INFO L87 Difference]: Start difference. First operand 521 states and 799 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-31 22:19:53,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:53,293 INFO L93 Difference]: Finished difference Result 1218 states and 1884 transitions. [2024-10-31 22:19:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:19:53,294 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 163 [2024-10-31 22:19:53,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:53,301 INFO L225 Difference]: With dead ends: 1218 [2024-10-31 22:19:53,301 INFO L226 Difference]: Without dead ends: 724 [2024-10-31 22:19:53,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-31 22:19:53,305 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1691 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 4894 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 5540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 4894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:53,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 1853 Invalid, 5540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [646 Valid, 4894 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-31 22:19:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-10-31 22:19:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 521. [2024-10-31 22:19:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 401 states have (on average 1.541147132169576) internal successors, (618), 408 states have internal predecessors, (618), 87 states have call successors, (87), 29 states have call predecessors, (87), 32 states have return successors, (93), 85 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-31 22:19:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 798 transitions. [2024-10-31 22:19:53,377 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 798 transitions. Word has length 163 [2024-10-31 22:19:53,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:53,377 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 798 transitions. [2024-10-31 22:19:53,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-31 22:19:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 798 transitions. [2024-10-31 22:19:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-31 22:19:53,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:53,383 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:53,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:19:53,383 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:53,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:53,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1569840960, now seen corresponding path program 1 times [2024-10-31 22:19:53,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:53,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26302827] [2024-10-31 22:19:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:53,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:19:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:19:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-31 22:19:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-31 22:19:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:19:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:19:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:19:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:19:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-31 22:19:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:19:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:19:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 22:19:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:19:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:19:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:19:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:19:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-31 22:19:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:19:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-31 22:19:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:19:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:19:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-31 22:19:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-31 22:19:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-31 22:19:53,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:53,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26302827] [2024-10-31 22:19:53,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26302827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:53,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:53,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:19:53,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906475053] [2024-10-31 22:19:53,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:53,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:19:53,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:53,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:19:53,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:53,781 INFO L87 Difference]: Start difference. First operand 521 states and 798 transitions. Second operand has 12 states, 11 states have (on average 10.0) internal successors, (110), 8 states have internal predecessors, (110), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23)