./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca488828ecb96ea32a61c8f7cc33f9cc148887f4e62691829b51b0a2976db03e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:30:22,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:30:22,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:30:22,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:30:22,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:30:22,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:30:22,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:30:22,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:30:22,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:30:22,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:30:22,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:30:22,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:30:22,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:30:22,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:30:22,592 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:30:22,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:30:22,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:30:22,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:30:22,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:30:22,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:30:22,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:30:22,593 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:30:22,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:30:22,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:30:22,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:30:22,595 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca488828ecb96ea32a61c8f7cc33f9cc148887f4e62691829b51b0a2976db03e [2024-12-02 12:30:22,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:30:22,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:30:22,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:30:22,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:30:22,807 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:30:22,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2024-12-02 12:30:25,444 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/data/f3f1f9274/5a9234bba0a4461ea09eaa742c35809e/FLAG572b0de46 [2024-12-02 12:30:25,754 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:30:25,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2024-12-02 12:30:25,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/data/f3f1f9274/5a9234bba0a4461ea09eaa742c35809e/FLAG572b0de46 [2024-12-02 12:30:26,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/data/f3f1f9274/5a9234bba0a4461ea09eaa742c35809e [2024-12-02 12:30:26,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:30:26,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:30:26,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:30:26,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:30:26,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:30:26,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fcfc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26, skipping insertion in model container [2024-12-02 12:30:26,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:30:26,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c[47468,47481] [2024-12-02 12:30:26,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:30:26,418 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:30:26,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1540] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1706] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1910] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1975] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2010] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2205] [2024-12-02 12:30:26,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2214] [2024-12-02 12:30:26,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2580] [2024-12-02 12:30:26,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2599] [2024-12-02 12:30:26,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c[47468,47481] [2024-12-02 12:30:26,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:30:26,528 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:30:26,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26 WrapperNode [2024-12-02 12:30:26,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:30:26,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:30:26,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:30:26,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:30:26,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,580 INFO L138 Inliner]: procedures = 110, calls = 128, calls flagged for inlining = 36, calls inlined = 30, statements flattened = 599 [2024-12-02 12:30:26,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:30:26,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:30:26,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:30:26,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:30:26,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,610 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2024-12-02 12:30:26,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,619 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:30:26,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:30:26,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:30:26,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:30:26,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2024-12-02 12:30:26,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:30:26,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:30:26,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:30:26,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:30:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 12:30:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 12:30:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 12:30:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 12:30:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 12:30:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-12-02 12:30:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 12:30:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 12:30:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 12:30:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 12:30:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:30:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 12:30:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 12:30:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 12:30:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 12:30:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 12:30:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 12:30:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:30:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:30:26,825 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:30:26,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:30:27,308 INFO L? ?]: Removed 260 outVars from TransFormulas that were not future-live. [2024-12-02 12:30:27,309 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:30:27,321 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:30:27,321 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:30:27,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:27 BoogieIcfgContainer [2024-12-02 12:30:27,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:30:27,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:30:27,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:30:27,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:30:27,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:30:26" (1/3) ... [2024-12-02 12:30:27,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247b524d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:27, skipping insertion in model container [2024-12-02 12:30:27,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (2/3) ... [2024-12-02 12:30:27,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247b524d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:27, skipping insertion in model container [2024-12-02 12:30:27,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:27" (3/3) ... [2024-12-02 12:30:27,329 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product07.cil.c [2024-12-02 12:30:27,339 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:30:27,340 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product07.cil.c that has 14 procedures, 204 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:30:27,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:30:27,397 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;@6e3fc3e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:30:27,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:30:27,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 164 states have (on average 1.5670731707317074) internal successors, (257), 167 states have internal predecessors, (257), 25 states have call successors, (25), 13 states have call predecessors, (25), 13 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 12:30:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 12:30:27,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:30:27,410 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:30:27,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:30:27,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:30:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1922382568, now seen corresponding path program 1 times [2024-12-02 12:30:27,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:30:27,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564326487] [2024-12-02 12:30:27,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:30:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:30:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:30:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 12:30:27,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:30:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564326487] [2024-12-02 12:30:27,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564326487] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:30:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888516059] [2024-12-02 12:30:27,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:30:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:30:27,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:30:27,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:30:27,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:30:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:30:28,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:30:28,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:30:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 12:30:28,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:30:28,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888516059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:30:28,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:30:28,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 12:30:28,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025399400] [2024-12-02 12:30:28,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:30:28,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:30:28,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:30:28,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:30:28,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:30:28,195 INFO L87 Difference]: Start difference. First operand has 204 states, 164 states have (on average 1.5670731707317074) internal successors, (257), 167 states have internal predecessors, (257), 25 states have call successors, (25), 13 states have call predecessors, (25), 13 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 12:30:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:30:28,245 INFO L93 Difference]: Finished difference Result 322 states and 475 transitions. [2024-12-02 12:30:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:30:28,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-12-02 12:30:28,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:30:28,256 INFO L225 Difference]: With dead ends: 322 [2024-12-02 12:30:28,256 INFO L226 Difference]: Without dead ends: 199 [2024-12-02 12:30:28,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:30:28,262 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:30:28,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 599 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:30:28,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-12-02 12:30:28,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 198. [2024-12-02 12:30:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 159 states have (on average 1.5534591194968554) internal successors, (247), 161 states have internal predecessors, (247), 25 states have call successors, (25), 13 states have call predecessors, (25), 13 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:30:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 296 transitions. [2024-12-02 12:30:28,300 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 296 transitions. Word has length 78 [2024-12-02 12:30:28,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:30:28,301 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 296 transitions. [2024-12-02 12:30:28,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 12:30:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 296 transitions. [2024-12-02 12:30:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 12:30:28,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:30:28,304 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:30:28,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:30:28,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:30:28,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:30:28,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:30:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash 479067857, now seen corresponding path program 1 times [2024-12-02 12:30:28,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:30:28,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177395042] [2024-12-02 12:30:28,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:30:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:30:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:30:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 12:30:28,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:30:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177395042] [2024-12-02 12:30:28,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177395042] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:30:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3236714] [2024-12-02 12:30:28,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:30:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:30:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:30:28,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:30:28,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:30:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:30:28,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:30:28,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:30:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 12:30:28,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:30:28,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3236714] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:30:28,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:30:29,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 12:30:29,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028091650] [2024-12-02 12:30:29,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:30:29,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:30:29,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:30:29,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:30:29,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:30:29,002 INFO L87 Difference]: Start difference. First operand 198 states and 296 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 12:30:29,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:30:29,062 INFO L93 Difference]: Finished difference Result 389 states and 585 transitions. [2024-12-02 12:30:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:30:29,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 82 [2024-12-02 12:30:29,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:30:29,065 INFO L225 Difference]: With dead ends: 389 [2024-12-02 12:30:29,065 INFO L226 Difference]: Without dead ends: 200 [2024-12-02 12:30:29,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:30:29,067 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 2 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:30:29,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1137 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:30:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-12-02 12:30:29,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-12-02 12:30:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 160 states have (on average 1.55) internal successors, (248), 163 states have internal predecessors, (248), 25 states have call successors, (25), 13 states have call predecessors, (25), 14 states have return successors, (26), 23 states have call predecessors, (26), 24 states have call successors, (26) [2024-12-02 12:30:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 299 transitions. [2024-12-02 12:30:29,083 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 299 transitions. Word has length 82 [2024-12-02 12:30:29,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:30:29,083 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 299 transitions. [2024-12-02 12:30:29,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 12:30:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 299 transitions. [2024-12-02 12:30:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 12:30:29,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:30:29,086 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:30:29,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:30:29,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:30:29,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:30:29,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:30:29,287 INFO L85 PathProgramCache]: Analyzing trace with hash 632928959, now seen corresponding path program 1 times [2024-12-02 12:30:29,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:30:29,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764559233] [2024-12-02 12:30:29,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:30:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:30:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:30:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 12:30:29,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:30:29,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764559233] [2024-12-02 12:30:29,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764559233] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:30:29,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:30:29,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:30:29,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101711846] [2024-12-02 12:30:29,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:30:29,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:30:29,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:30:29,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:30:29,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:30:29,478 INFO L87 Difference]: Start difference. First operand 200 states and 299 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 12:30:29,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:30:29,530 INFO L93 Difference]: Finished difference Result 381 states and 573 transitions. [2024-12-02 12:30:29,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:30:29,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-12-02 12:30:29,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:30:29,532 INFO L225 Difference]: With dead ends: 381 [2024-12-02 12:30:29,532 INFO L226 Difference]: Without dead ends: 200 [2024-12-02 12:30:29,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:30:29,534 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 2 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:30:29,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1141 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:30:29,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-12-02 12:30:29,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-12-02 12:30:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 160 states have (on average 1.55) internal successors, (248), 163 states have internal predecessors, (248), 25 states have call successors, (25), 13 states have call predecessors, (25), 14 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2024-12-02 12:30:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 298 transitions. [2024-12-02 12:30:29,550 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 298 transitions. Word has length 83 [2024-12-02 12:30:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:30:29,550 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 298 transitions. [2024-12-02 12:30:29,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-12-02 12:30:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 298 transitions. [2024-12-02 12:30:29,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 12:30:29,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:30:29,552 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:30:29,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:30:29,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:30:29,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:30:29,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2062241365, now seen corresponding path program 2 times [2024-12-02 12:30:29,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:30:29,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289419175] [2024-12-02 12:30:29,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:30:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:30:29,590 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:30:29,590 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:30:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 12:30:29,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:30:29,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289419175] [2024-12-02 12:30:29,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289419175] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:30:29,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:30:29,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:30:29,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767081445] [2024-12-02 12:30:29,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:30:29,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:30:29,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:30:29,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:30:29,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:30:29,681 INFO L87 Difference]: Start difference. First operand 200 states and 298 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:30:29,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:30:29,708 INFO L93 Difference]: Finished difference Result 200 states and 298 transitions. [2024-12-02 12:30:29,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:30:29,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-12-02 12:30:29,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:30:29,709 INFO L225 Difference]: With dead ends: 200 [2024-12-02 12:30:29,709 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:30:29,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:30:29,711 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:30:29,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1157 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:30:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:30:29,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:30:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:30:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:30:29,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-12-02 12:30:29,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:30:29,712 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:30:29,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 12:30:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:30:29,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:30:29,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:30:29,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:30:29,718 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-12-02 12:30:29,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:30:29,777 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:30:29,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:30:29 BoogieIcfgContainer [2024-12-02 12:30:29,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:30:29,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:30:29,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:30:29,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:30:29,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:27" (3/4) ... [2024-12-02 12:30:29,792 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-12-02 12:30:29,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-12-02 12:30:29,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-12-02 12:30:29,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-12-02 12:30:29,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-12-02 12:30:29,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-12-02 12:30:29,809 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-12-02 12:30:29,810 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-12-02 12:30:29,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 12:30:29,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 12:30:29,813 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:30:29,814 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:30:29,929 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:30:29,930 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:30:29,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:30:29,931 INFO L158 Benchmark]: Toolchain (without parser) took 3908.39ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 117.1MB in the beginning and 285.7MB in the end (delta: -168.7MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2024-12-02 12:30:29,931 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:30:29,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.27ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 82.0MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 12:30:29,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.47ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 78.3MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:30:29,932 INFO L158 Benchmark]: Boogie Preprocessor took 54.70ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:30:29,932 INFO L158 Benchmark]: RCFGBuilder took 685.32ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 76.3MB in the end (delta: -2.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-12-02 12:30:29,932 INFO L158 Benchmark]: TraceAbstraction took 2465.01ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 75.8MB in the beginning and 297.4MB in the end (delta: -221.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-12-02 12:30:29,933 INFO L158 Benchmark]: Witness Printer took 141.23ms. Allocated memory is still 402.7MB. Free memory was 297.4MB in the beginning and 285.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:30:29,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.27ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 82.0MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.47ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 78.3MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.70ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.32ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 76.3MB in the end (delta: -2.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2465.01ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 75.8MB in the beginning and 297.4MB in the end (delta: -221.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Witness Printer took 141.23ms. Allocated memory is still 402.7MB. Free memory was 297.4MB in the beginning and 285.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] - GenericResultAtLocation [Line: 1540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1540] - GenericResultAtLocation [Line: 1706]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1706] - GenericResultAtLocation [Line: 1910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1910] - GenericResultAtLocation [Line: 1975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1975] - GenericResultAtLocation [Line: 2010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2010] - GenericResultAtLocation [Line: 2205]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2205] - GenericResultAtLocation [Line: 2214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2214] - GenericResultAtLocation [Line: 2580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2580] - GenericResultAtLocation [Line: 2599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2599] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2210]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4034 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2867 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1167 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 487 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1636 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 95/101 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 12:30:29,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b75e70a1-97bc-45d6-ad41-bc098b592b3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE