./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product08.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_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/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_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/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_8252a768-a067-45ed-b6bd-567560b8c7f3/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 25f377b9a54c9ee2ed75c64ae9c58ce8e9d7938b6493e908dfb7e7f7a3cef80e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:23:58,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:23:58,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:23:58,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:23:58,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:23:58,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:23:58,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:23:58,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:23:58,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:23:58,755 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:23:58,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:23:58,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:23:58,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:23:58,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:23:58,756 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:23:58,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:23:58,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:23:58,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:23:58,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:23:58,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:23:58,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:23:58,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:23:58,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:23:58,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:23:58,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:23:58,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:23:58,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:23:58,759 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_8252a768-a067-45ed-b6bd-567560b8c7f3/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 -> 25f377b9a54c9ee2ed75c64ae9c58ce8e9d7938b6493e908dfb7e7f7a3cef80e [2024-12-02 11:23:58,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:23:59,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:23:59,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:23:59,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:23:59,009 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:23:59,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec11_product08.cil.c [2024-12-02 11:24:01,761 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/data/908fbdc9e/edbb92aebdc04ef9b9e22faca7b248fc/FLAGedf708c7c [2024-12-02 11:24:02,039 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:24:02,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c [2024-12-02 11:24:02,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/data/908fbdc9e/edbb92aebdc04ef9b9e22faca7b248fc/FLAGedf708c7c [2024-12-02 11:24:02,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/data/908fbdc9e/edbb92aebdc04ef9b9e22faca7b248fc [2024-12-02 11:24:02,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:24:02,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:24:02,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:24:02,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:24:02,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:24:02,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:02,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48336898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02, skipping insertion in model container [2024-12-02 11:24:02,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:02,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:24:02,820 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_8252a768-a067-45ed-b6bd-567560b8c7f3/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c[54831,54844] [2024-12-02 11:24:02,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:24:02,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:24:02,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-12-02 11:24:02,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [363] [2024-12-02 11:24:02,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1435] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1634] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1700] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2066] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2473] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2508] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2525] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2534] [2024-12-02 11:24:02,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2553] [2024-12-02 11:24:02,938 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_8252a768-a067-45ed-b6bd-567560b8c7f3/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c[54831,54844] [2024-12-02 11:24:02,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:24:02,970 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:24:02,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02 WrapperNode [2024-12-02 11:24:02,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:24:02,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:24:02,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:24:02,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:24:02,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:02,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,026 INFO L138 Inliner]: procedures = 121, calls = 162, calls flagged for inlining = 46, calls inlined = 40, statements flattened = 737 [2024-12-02 11:24:03,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:24:03,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:24:03,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:24:03,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:24:03,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,059 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-12-02 11:24:03,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:24:03,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:24:03,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:24:03,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:24:03,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (1/1) ... [2024-12-02 11:24:03,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:24:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:24:03,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:24:03,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:24:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 11:24:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 11:24:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 11:24:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 11:24:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 11:24:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 11:24:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 11:24:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 11:24:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 11:24:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 11:24:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 11:24:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 11:24:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 11:24:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 11:24:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 11:24:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 11:24:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 11:24:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:24:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 11:24:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 11:24:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:24:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:24:03,288 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:24:03,291 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:24:03,878 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2024-12-02 11:24:03,878 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:24:03,893 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:24:03,893 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:24:03,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:03 BoogieIcfgContainer [2024-12-02 11:24:03,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:24:03,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:24:03,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:24:03,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:24:03,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:24:02" (1/3) ... [2024-12-02 11:24:03,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266ec8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:24:03, skipping insertion in model container [2024-12-02 11:24:03,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:02" (2/3) ... [2024-12-02 11:24:03,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266ec8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:24:03, skipping insertion in model container [2024-12-02 11:24:03,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:03" (3/3) ... [2024-12-02 11:24:03,903 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2024-12-02 11:24:03,919 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:24:03,922 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product08.cil.c that has 15 procedures, 230 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:24:03,986 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:24:03,999 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;@4465c8c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:24:03,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:24:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 180 states have (on average 1.5333333333333334) internal successors, (276), 182 states have internal predecessors, (276), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 11:24:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 11:24:04,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:04,020 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:04,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:04,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:04,025 INFO L85 PathProgramCache]: Analyzing trace with hash -2008536447, now seen corresponding path program 1 times [2024-12-02 11:24:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:04,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919431586] [2024-12-02 11:24:04,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 11:24:04,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:04,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919431586] [2024-12-02 11:24:04,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919431586] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:24:04,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176260347] [2024-12-02 11:24:04,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:04,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:04,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:24:04,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:24:04,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:24:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:04,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:24:04,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:24:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:24:04,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:24:04,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176260347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:04,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:24:04,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-12-02 11:24:04,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454386179] [2024-12-02 11:24:04,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:04,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:24:04,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:04,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:24:04,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:24:04,988 INFO L87 Difference]: Start difference. First operand has 230 states, 180 states have (on average 1.5333333333333334) internal successors, (276), 182 states have internal predecessors, (276), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:24:05,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:05,028 INFO L93 Difference]: Finished difference Result 307 states and 443 transitions. [2024-12-02 11:24:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:24:05,030 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2024-12-02 11:24:05,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:05,039 INFO L225 Difference]: With dead ends: 307 [2024-12-02 11:24:05,040 INFO L226 Difference]: Without dead ends: 223 [2024-12-02 11:24:05,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 11:24:05,044 INFO L435 NwaCegarLoop]: 340 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, 340 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 [2024-12-02 11:24:05,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-02 11:24:05,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-12-02 11:24:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 174 states have (on average 1.5229885057471264) internal successors, (265), 175 states have internal predecessors, (265), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:24:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 332 transitions. [2024-12-02 11:24:05,094 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 332 transitions. Word has length 87 [2024-12-02 11:24:05,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:05,096 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 332 transitions. [2024-12-02 11:24:05,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:24:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 332 transitions. [2024-12-02 11:24:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 11:24:05,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:05,101 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:05,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:24:05,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:24:05,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash 433234619, now seen corresponding path program 1 times [2024-12-02 11:24:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766701124] [2024-12-02 11:24:05,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:05,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 11:24:05,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:05,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766701124] [2024-12-02 11:24:05,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766701124] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:24:05,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596265058] [2024-12-02 11:24:05,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:05,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:05,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:24:05,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:24:05,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:24:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:05,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:24:05,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:24:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:24:05,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:24:05,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596265058] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:05,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:24:05,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 11:24:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651502256] [2024-12-02 11:24:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:05,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:24:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:05,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:24:05,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:24:05,855 INFO L87 Difference]: Start difference. First operand 223 states and 332 transitions. 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:24:05,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:05,897 INFO L93 Difference]: Finished difference Result 296 states and 423 transitions. [2024-12-02 11:24:05,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:24:05,898 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2024-12-02 11:24:05,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:05,900 INFO L225 Difference]: With dead ends: 296 [2024-12-02 11:24:05,901 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 11:24:05,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 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 11:24:05,902 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 1 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 658 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 [2024-12-02 11:24:05,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 658 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 11:24:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 224. [2024-12-02 11:24:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 175 states have (on average 1.52) internal successors, (266), 176 states have internal predecessors, (266), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 11:24:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 333 transitions. [2024-12-02 11:24:05,922 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 333 transitions. Word has length 87 [2024-12-02 11:24:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:05,922 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 333 transitions. [2024-12-02 11:24:05,923 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:24:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 333 transitions. [2024-12-02 11:24:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 11:24:05,926 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:05,926 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:05,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:24:06,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 11:24:06,127 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:06,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:06,128 INFO L85 PathProgramCache]: Analyzing trace with hash -247160, now seen corresponding path program 1 times [2024-12-02 11:24:06,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:06,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371659289] [2024-12-02 11:24:06,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:06,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 11:24:06,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:06,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371659289] [2024-12-02 11:24:06,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371659289] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:24:06,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212918527] [2024-12-02 11:24:06,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:06,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:06,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:24:06,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:24:06,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:24:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:06,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:24:06,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:24:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:24:06,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:24:06,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212918527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:06,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:24:06,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 11:24:06,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186047445] [2024-12-02 11:24:06,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:06,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:24:06,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:06,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:24:06,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:24:06,679 INFO L87 Difference]: Start difference. First operand 224 states and 333 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:24:06,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:06,706 INFO L93 Difference]: Finished difference Result 478 states and 725 transitions. [2024-12-02 11:24:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:24:06,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2024-12-02 11:24:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:06,709 INFO L225 Difference]: With dead ends: 478 [2024-12-02 11:24:06,709 INFO L226 Difference]: Without dead ends: 280 [2024-12-02 11:24:06,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 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 11:24:06,711 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 107 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:24:06,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 625 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:06,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-12-02 11:24:06,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2024-12-02 11:24:06,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 212 states have (on average 1.5424528301886793) internal successors, (327), 213 states have internal predecessors, (327), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 11:24:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 416 transitions. [2024-12-02 11:24:06,734 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 416 transitions. Word has length 95 [2024-12-02 11:24:06,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:06,734 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 416 transitions. [2024-12-02 11:24:06,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 11:24:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 416 transitions. [2024-12-02 11:24:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 11:24:06,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:06,737 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:06,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 11:24:06,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:06,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:06,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:06,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1857158109, now seen corresponding path program 1 times [2024-12-02 11:24:06,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:06,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127506613] [2024-12-02 11:24:06,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 11:24:07,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:07,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127506613] [2024-12-02 11:24:07,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127506613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:24:07,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489145514] [2024-12-02 11:24:07,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:07,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:07,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:24:07,097 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:24:07,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:24:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:07,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:24:07,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:24:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 11:24:07,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:24:07,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489145514] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:07,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:24:07,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 11:24:07,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220604894] [2024-12-02 11:24:07,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:07,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:24:07,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:07,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:24:07,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:24:07,440 INFO L87 Difference]: Start difference. First operand 272 states and 416 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:24:07,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:07,491 INFO L93 Difference]: Finished difference Result 535 states and 822 transitions. [2024-12-02 11:24:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:24:07,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2024-12-02 11:24:07,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:07,496 INFO L225 Difference]: With dead ends: 535 [2024-12-02 11:24:07,496 INFO L226 Difference]: Without dead ends: 274 [2024-12-02 11:24:07,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 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 11:24:07,497 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 2 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1285 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 11:24:07,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1285 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-12-02 11:24:07,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-12-02 11:24:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 213 states have (on average 1.539906103286385) internal successors, (328), 215 states have internal predecessors, (328), 45 states have call successors, (45), 14 states have call predecessors, (45), 15 states have return successors, (46), 44 states have call predecessors, (46), 44 states have call successors, (46) [2024-12-02 11:24:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 419 transitions. [2024-12-02 11:24:07,511 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 419 transitions. Word has length 96 [2024-12-02 11:24:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:07,511 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 419 transitions. [2024-12-02 11:24:07,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:24:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 419 transitions. [2024-12-02 11:24:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 11:24:07,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:07,513 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:07,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:24:07,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:07,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:07,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash -695213968, now seen corresponding path program 1 times [2024-12-02 11:24:07,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:07,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194763379] [2024-12-02 11:24:07,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:07,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 11:24:07,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:07,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194763379] [2024-12-02 11:24:07,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194763379] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:24:07,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266362943] [2024-12-02 11:24:07,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:07,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:07,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:24:07,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:24:07,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:24:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:08,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:24:08,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:24:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 11:24:08,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:24:08,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266362943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:08,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:24:08,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 11:24:08,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711771340] [2024-12-02 11:24:08,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:08,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:24:08,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:08,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:24:08,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:24:08,222 INFO L87 Difference]: Start difference. First operand 274 states and 419 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:24:08,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:08,289 INFO L93 Difference]: Finished difference Result 537 states and 827 transitions. [2024-12-02 11:24:08,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:24:08,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2024-12-02 11:24:08,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:08,292 INFO L225 Difference]: With dead ends: 537 [2024-12-02 11:24:08,292 INFO L226 Difference]: Without dead ends: 276 [2024-12-02 11:24:08,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:24:08,294 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 2 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:24:08,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1271 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:08,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-12-02 11:24:08,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-12-02 11:24:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 214 states have (on average 1.5373831775700935) internal successors, (329), 217 states have internal predecessors, (329), 45 states have call successors, (45), 14 states have call predecessors, (45), 16 states have return successors, (51), 44 states have call predecessors, (51), 44 states have call successors, (51) [2024-12-02 11:24:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 425 transitions. [2024-12-02 11:24:08,309 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 425 transitions. Word has length 97 [2024-12-02 11:24:08,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:08,310 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 425 transitions. [2024-12-02 11:24:08,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:24:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 425 transitions. [2024-12-02 11:24:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 11:24:08,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:08,312 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:08,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:24:08,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:24:08,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:08,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:08,513 INFO L85 PathProgramCache]: Analyzing trace with hash -2023799457, now seen corresponding path program 1 times [2024-12-02 11:24:08,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:08,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754022316] [2024-12-02 11:24:08,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:24:08,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:24:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 11:24:08,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:08,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754022316] [2024-12-02 11:24:08,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754022316] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:08,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:24:08,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:24:08,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713209160] [2024-12-02 11:24:08,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:08,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:24:08,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:08,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:24:08,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:24:08,655 INFO L87 Difference]: Start difference. First operand 276 states and 425 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:24:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:08,702 INFO L93 Difference]: Finished difference Result 529 states and 818 transitions. [2024-12-02 11:24:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:24:08,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 98 [2024-12-02 11:24:08,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:08,704 INFO L225 Difference]: With dead ends: 529 [2024-12-02 11:24:08,705 INFO L226 Difference]: Without dead ends: 276 [2024-12-02 11:24:08,705 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 11:24:08,706 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 2 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1289 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 11:24:08,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1289 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-12-02 11:24:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-12-02 11:24:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 214 states have (on average 1.5373831775700935) internal successors, (329), 217 states have internal predecessors, (329), 45 states have call successors, (45), 14 states have call predecessors, (45), 16 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-12-02 11:24:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 424 transitions. [2024-12-02 11:24:08,720 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 424 transitions. Word has length 98 [2024-12-02 11:24:08,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:08,720 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 424 transitions. [2024-12-02 11:24:08,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 11:24:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 424 transitions. [2024-12-02 11:24:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 11:24:08,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:24:08,722 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:24:08,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:24:08,723 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:24:08,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:24:08,723 INFO L85 PathProgramCache]: Analyzing trace with hash 15715540, now seen corresponding path program 2 times [2024-12-02 11:24:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:24:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227063228] [2024-12-02 11:24:08,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:24:08,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:24:08,756 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:24:08,756 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:24:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:24:08,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:24:08,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227063228] [2024-12-02 11:24:08,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227063228] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:24:08,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:24:08,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:24:08,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406513106] [2024-12-02 11:24:08,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:24:08,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:24:08,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:24:08,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:24:08,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:24:08,826 INFO L87 Difference]: Start difference. First operand 276 states and 424 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:24:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:24:08,859 INFO L93 Difference]: Finished difference Result 276 states and 424 transitions. [2024-12-02 11:24:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:24:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-12-02 11:24:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:24:08,860 INFO L225 Difference]: With dead ends: 276 [2024-12-02 11:24:08,860 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 11:24:08,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:24:08,862 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 0 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:24:08,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1947 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:24:08,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 11:24:08,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 11:24:08,863 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 11:24:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 11:24:08,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2024-12-02 11:24:08,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:24:08,864 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:24:08,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 11:24:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:24:08,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 11:24:08,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:24:08,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:24:08,868 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-12-02 11:24:08,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 11:24:08,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:24:08,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:24:08 BoogieIcfgContainer [2024-12-02 11:24:08,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:24:08,947 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:24:08,947 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:24:08,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:24:08,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:03" (3/4) ... [2024-12-02 11:24:08,949 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-12-02 11:24:08,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-12-02 11:24:08,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-12-02 11:24:08,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-12-02 11:24:08,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-12-02 11:24:08,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-12-02 11:24:08,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2024-12-02 11:24:08,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-12-02 11:24:08,968 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 11:24:08,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 11:24:08,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:24:08,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:24:09,075 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:24:09,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:24:09,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:24:09,077 INFO L158 Benchmark]: Toolchain (without parser) took 6730.47ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 114.5MB in the beginning and 227.1MB in the end (delta: -112.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,077 INFO L158 Benchmark]: CDTParser took 0.28ms. 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 11:24:09,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.86ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 78.0MB in the end (delta: 36.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.45ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 73.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,078 INFO L158 Benchmark]: Boogie Preprocessor took 61.25ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,078 INFO L158 Benchmark]: RCFGBuilder took 804.99ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 76.3MB in the end (delta: -7.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,078 INFO L158 Benchmark]: TraceAbstraction took 5050.49ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 75.6MB in the beginning and 238.6MB in the end (delta: -163.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,079 INFO L158 Benchmark]: Witness Printer took 128.92ms. Allocated memory is still 318.8MB. Free memory was 238.6MB in the beginning and 227.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:24:09,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.86ms. Allocated memory is still 142.6MB. Free memory was 114.5MB in the beginning and 78.0MB in the end (delta: 36.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.45ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 73.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.25ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 804.99ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 76.3MB in the end (delta: -7.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5050.49ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 75.6MB in the beginning and 238.6MB in the end (delta: -163.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 128.92ms. Allocated memory is still 318.8MB. Free memory was 238.6MB in the beginning and 227.1MB in the end (delta: 11.5MB). 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,"Test.i","") [48] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [363] - GenericResultAtLocation [Line: 1435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1435] - GenericResultAtLocation [Line: 1634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1634] - GenericResultAtLocation [Line: 1700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1700] - GenericResultAtLocation [Line: 2066]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2066] - GenericResultAtLocation [Line: 2473]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2473] - GenericResultAtLocation [Line: 2508]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2508] - GenericResultAtLocation [Line: 2525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2525] - GenericResultAtLocation [Line: 2534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2534] - GenericResultAtLocation [Line: 2553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2553] * 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: 2530]: 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 15 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 7415 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5108 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2307 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=5, InterpolantAutomatonStates: 30, 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, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1121 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 1216 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4458 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 327/345 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 11:24:09,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8252a768-a067-45ed-b6bd-567560b8c7f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE