./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product18.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_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/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_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/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_a53c82df-0fbb-438f-a71a-099f74e152cd/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 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:47:40,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:47:41,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:47:41,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:47:41,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:47:41,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:47:41,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:47:41,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:47:41,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:47:41,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:47:41,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:47:41,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:47:41,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:47:41,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:47:41,044 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:47:41,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:47:41,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:47:41,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:47:41,046 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:47:41,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:47:41,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:47:41,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:47:41,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:47:41,047 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_a53c82df-0fbb-438f-a71a-099f74e152cd/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 -> 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 [2024-12-02 14:47:41,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:47:41,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:47:41,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:47:41,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:47:41,298 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:47:41,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2024-12-02 14:47:43,959 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/data/1f07a8cfc/5a1ed6fa53004d2b9c5ddacb5039de5e/FLAG82866436d [2024-12-02 14:47:44,248 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:47:44,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2024-12-02 14:47:44,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/data/1f07a8cfc/5a1ed6fa53004d2b9c5ddacb5039de5e/FLAG82866436d [2024-12-02 14:47:44,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/data/1f07a8cfc/5a1ed6fa53004d2b9c5ddacb5039de5e [2024-12-02 14:47:44,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:47:44,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:47:44,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:47:44,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:47:44,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:47:44,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:47:44" (1/1) ... [2024-12-02 14:47:44,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770b50d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:44, skipping insertion in model container [2024-12-02 14:47:44,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:47:44" (1/1) ... [2024-12-02 14:47:44,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:47:45,006 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_a53c82df-0fbb-438f-a71a-099f74e152cd/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2024-12-02 14:47:45,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:47:45,043 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:47:45,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-12-02 14:47:45,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [167] [2024-12-02 14:47:45,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [392] [2024-12-02 14:47:45,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [409] [2024-12-02 14:47:45,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [447] [2024-12-02 14:47:45,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [851] [2024-12-02 14:47:45,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1931] [2024-12-02 14:47:45,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2297] [2024-12-02 14:47:45,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2591] [2024-12-02 14:47:45,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2600] [2024-12-02 14:47:45,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2619] [2024-12-02 14:47:45,126 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_a53c82df-0fbb-438f-a71a-099f74e152cd/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c[57905,57918] [2024-12-02 14:47:45,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:47:45,158 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:47:45,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45 WrapperNode [2024-12-02 14:47:45,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:47:45,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:47:45,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:47:45,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:47:45,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,216 INFO L138 Inliner]: procedures = 127, calls = 184, calls flagged for inlining = 59, calls inlined = 50, statements flattened = 910 [2024-12-02 14:47:45,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:47:45,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:47:45,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:47:45,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:47:45,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,249 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 14:47:45,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,263 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:47:45,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:47:45,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:47:45,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:47:45,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (1/1) ... [2024-12-02 14:47:45,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:47:45,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:47:45,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:47:45,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:47:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 14:47:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 14:47:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 14:47:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 14:47:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:47:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 14:47:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 14:47:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:47:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:47:45,509 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:47:45,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:47:46,160 INFO L? ?]: Removed 396 outVars from TransFormulas that were not future-live. [2024-12-02 14:47:46,160 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:47:46,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:47:46,174 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:47:46,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:47:46 BoogieIcfgContainer [2024-12-02 14:47:46,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:47:46,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:47:46,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:47:46,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:47:46,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:47:44" (1/3) ... [2024-12-02 14:47:46,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c50d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:47:46, skipping insertion in model container [2024-12-02 14:47:46,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:47:45" (2/3) ... [2024-12-02 14:47:46,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c50d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:47:46, skipping insertion in model container [2024-12-02 14:47:46,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:47:46" (3/3) ... [2024-12-02 14:47:46,181 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product18.cil.c [2024-12-02 14:47:46,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:47:46,193 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product18.cil.c that has 17 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:47:46,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:47:46,264 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;@501be823, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:47:46,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:47:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 227 states have (on average 1.550660792951542) internal successors, (352), 229 states have internal predecessors, (352), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 14:47:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 14:47:46,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:46,281 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:46,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:46,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash 474130815, now seen corresponding path program 1 times [2024-12-02 14:47:46,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:46,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147751840] [2024-12-02 14:47:46,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:46,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:47:46,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:46,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147751840] [2024-12-02 14:47:46,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147751840] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:47:46,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616699045] [2024-12-02 14:47:46,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:46,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:46,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:47:46,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:47:46,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:47:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:47,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:47:47,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:47:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:47:47,156 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:47:47,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616699045] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:47,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:47:47,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-12-02 14:47:47,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610323964] [2024-12-02 14:47:47,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:47,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:47:47,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:47,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:47:47,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:47:47,178 INFO L87 Difference]: Start difference. First operand has 283 states, 227 states have (on average 1.550660792951542) internal successors, (352), 229 states have internal predecessors, (352), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:47:47,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:47,219 INFO L93 Difference]: Finished difference Result 413 states and 611 transitions. [2024-12-02 14:47:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:47:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-12-02 14:47:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:47,231 INFO L225 Difference]: With dead ends: 413 [2024-12-02 14:47:47,231 INFO L226 Difference]: Without dead ends: 276 [2024-12-02 14:47:47,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 14:47:47,237 INFO L435 NwaCegarLoop]: 424 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, 424 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 14:47:47,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:47,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-12-02 14:47:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-12-02 14:47:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 221 states have (on average 1.5429864253393666) internal successors, (341), 222 states have internal predecessors, (341), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 14:47:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 416 transitions. [2024-12-02 14:47:47,288 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 416 transitions. Word has length 98 [2024-12-02 14:47:47,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:47,290 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 416 transitions. [2024-12-02 14:47:47,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:47:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 416 transitions. [2024-12-02 14:47:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 14:47:47,294 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:47,294 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:47,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:47:47,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:47:47,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:47,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash 339519749, now seen corresponding path program 1 times [2024-12-02 14:47:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:47,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402331595] [2024-12-02 14:47:47,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:47:47,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:47,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402331595] [2024-12-02 14:47:47,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402331595] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:47:47,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157795230] [2024-12-02 14:47:47,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:47,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:47,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:47:47,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:47:47,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:47:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:48,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:47:48,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:47:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:47:48,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:47:48,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157795230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:48,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:47:48,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 14:47:48,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601252325] [2024-12-02 14:47:48,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:48,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:47:48,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:48,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:47:48,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:47:48,146 INFO L87 Difference]: Start difference. First operand 276 states and 416 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:47:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:48,183 INFO L93 Difference]: Finished difference Result 402 states and 591 transitions. [2024-12-02 14:47:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:47:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-12-02 14:47:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:48,186 INFO L225 Difference]: With dead ends: 402 [2024-12-02 14:47:48,186 INFO L226 Difference]: Without dead ends: 278 [2024-12-02 14:47:48,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:47:48,188 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 1 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 826 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 14:47:48,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 826 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:48,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-12-02 14:47:48,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 277. [2024-12-02 14:47:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 222 states have (on average 1.5405405405405406) internal successors, (342), 223 states have internal predecessors, (342), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-12-02 14:47:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 417 transitions. [2024-12-02 14:47:48,211 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 417 transitions. Word has length 98 [2024-12-02 14:47:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:48,211 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 417 transitions. [2024-12-02 14:47:48,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:47:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 417 transitions. [2024-12-02 14:47:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 14:47:48,215 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:48,215 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:48,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:47:48,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 14:47:48,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:48,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:48,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1300404504, now seen corresponding path program 1 times [2024-12-02 14:47:48,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:48,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700853693] [2024-12-02 14:47:48,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:48,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 14:47:48,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700853693] [2024-12-02 14:47:48,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700853693] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:47:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358961996] [2024-12-02 14:47:48,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:47:48,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:47:48,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:47:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:49,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:47:49,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:47:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:47:49,053 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:47:49,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358961996] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:49,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:47:49,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 14:47:49,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882659701] [2024-12-02 14:47:49,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:49,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:47:49,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:49,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:47:49,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:47:49,055 INFO L87 Difference]: Start difference. First operand 277 states and 417 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:47:49,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:49,088 INFO L93 Difference]: Finished difference Result 584 states and 893 transitions. [2024-12-02 14:47:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:47:49,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2024-12-02 14:47:49,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:49,092 INFO L225 Difference]: With dead ends: 584 [2024-12-02 14:47:49,092 INFO L226 Difference]: Without dead ends: 333 [2024-12-02 14:47:49,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 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 14:47:49,095 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 107 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 802 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 14:47:49,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 802 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-12-02 14:47:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2024-12-02 14:47:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 259 states have (on average 1.555984555984556) internal successors, (403), 260 states have internal predecessors, (403), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 14:47:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 500 transitions. [2024-12-02 14:47:49,119 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 500 transitions. Word has length 106 [2024-12-02 14:47:49,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:49,120 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 500 transitions. [2024-12-02 14:47:49,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:47:49,120 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 500 transitions. [2024-12-02 14:47:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 14:47:49,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:49,123 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:49,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:47:49,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:49,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:49,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:49,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1076503831, now seen corresponding path program 1 times [2024-12-02 14:47:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:49,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012881543] [2024-12-02 14:47:49,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:49,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 14:47:49,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:49,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012881543] [2024-12-02 14:47:49,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012881543] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:47:49,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584974055] [2024-12-02 14:47:49,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:49,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:49,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:47:49,527 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:47:49,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:47:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:49,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:47:49,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:47:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:47:49,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:47:49,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584974055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:49,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:47:49,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 14:47:49,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96660404] [2024-12-02 14:47:49,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:49,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:47:49,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:49,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:47:49,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:47:49,881 INFO L87 Difference]: Start difference. First operand 325 states and 500 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:47:49,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:49,941 INFO L93 Difference]: Finished difference Result 641 states and 990 transitions. [2024-12-02 14:47:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:47:49,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-12-02 14:47:49,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:49,945 INFO L225 Difference]: With dead ends: 641 [2024-12-02 14:47:49,945 INFO L226 Difference]: Without dead ends: 327 [2024-12-02 14:47:49,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 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 14:47:49,948 INFO L435 NwaCegarLoop]: 408 mSDtfsCounter, 2 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1621 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 14:47:49,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1621 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:49,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-12-02 14:47:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-12-02 14:47:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 260 states have (on average 1.5538461538461539) internal successors, (404), 262 states have internal predecessors, (404), 49 states have call successors, (49), 16 states have call predecessors, (49), 17 states have return successors, (50), 48 states have call predecessors, (50), 48 states have call successors, (50) [2024-12-02 14:47:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 503 transitions. [2024-12-02 14:47:49,966 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 503 transitions. Word has length 107 [2024-12-02 14:47:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:49,966 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 503 transitions. [2024-12-02 14:47:49,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:47:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 503 transitions. [2024-12-02 14:47:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 14:47:49,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:49,969 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:49,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:47:50,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:50,169 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:50,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:50,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1124984288, now seen corresponding path program 1 times [2024-12-02 14:47:50,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:50,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155083715] [2024-12-02 14:47:50,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:50,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-02 14:47:50,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:50,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155083715] [2024-12-02 14:47:50,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155083715] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:47:50,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451752115] [2024-12-02 14:47:50,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:50,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:50,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:47:50,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:47:50,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:47:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:50,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:47:50,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:47:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:47:50,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:47:50,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451752115] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:50,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:47:50,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 14:47:50,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207698812] [2024-12-02 14:47:50,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:50,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:47:50,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:50,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:47:50,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:47:50,706 INFO L87 Difference]: Start difference. First operand 327 states and 503 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:47:50,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:50,771 INFO L93 Difference]: Finished difference Result 643 states and 995 transitions. [2024-12-02 14:47:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:47:50,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-12-02 14:47:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:50,774 INFO L225 Difference]: With dead ends: 643 [2024-12-02 14:47:50,774 INFO L226 Difference]: Without dead ends: 329 [2024-12-02 14:47:50,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:47:50,776 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 2 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1607 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 14:47:50,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1607 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-12-02 14:47:50,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-12-02 14:47:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 261 states have (on average 1.5517241379310345) internal successors, (405), 264 states have internal predecessors, (405), 49 states have call successors, (49), 16 states have call predecessors, (49), 18 states have return successors, (55), 48 states have call predecessors, (55), 48 states have call successors, (55) [2024-12-02 14:47:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 509 transitions. [2024-12-02 14:47:50,789 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 509 transitions. Word has length 108 [2024-12-02 14:47:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:50,790 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 509 transitions. [2024-12-02 14:47:50,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:47:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 509 transitions. [2024-12-02 14:47:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 14:47:50,791 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:50,792 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:50,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 14:47:50,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:47:50,992 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:50,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1161137227, now seen corresponding path program 1 times [2024-12-02 14:47:50,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:50,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398835178] [2024-12-02 14:47:50,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 14:47:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:51,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398835178] [2024-12-02 14:47:51,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398835178] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:51,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:47:51,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:47:51,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088182014] [2024-12-02 14:47:51,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:51,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:47:51,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:51,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:47:51,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:47:51,166 INFO L87 Difference]: Start difference. First operand 329 states and 509 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:47:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:51,207 INFO L93 Difference]: Finished difference Result 635 states and 986 transitions. [2024-12-02 14:47:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:47:51,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-12-02 14:47:51,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:51,211 INFO L225 Difference]: With dead ends: 635 [2024-12-02 14:47:51,211 INFO L226 Difference]: Without dead ends: 329 [2024-12-02 14:47:51,212 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 14:47:51,213 INFO L435 NwaCegarLoop]: 409 mSDtfsCounter, 2 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1625 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 14:47:51,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1625 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-12-02 14:47:51,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-12-02 14:47:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 261 states have (on average 1.5517241379310345) internal successors, (405), 264 states have internal predecessors, (405), 49 states have call successors, (49), 16 states have call predecessors, (49), 18 states have return successors, (54), 48 states have call predecessors, (54), 48 states have call successors, (54) [2024-12-02 14:47:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 508 transitions. [2024-12-02 14:47:51,230 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 508 transitions. Word has length 109 [2024-12-02 14:47:51,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:51,230 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 508 transitions. [2024-12-02 14:47:51,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:47:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 508 transitions. [2024-12-02 14:47:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 14:47:51,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:51,233 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:47:51,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:47:51,233 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:51,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1100036508, now seen corresponding path program 2 times [2024-12-02 14:47:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:51,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504890512] [2024-12-02 14:47:51,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:47:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:51,262 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:47:51,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:47:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:47:51,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:51,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504890512] [2024-12-02 14:47:51,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504890512] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:51,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:47:51,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:47:51,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985894571] [2024-12-02 14:47:51,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:51,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:47:51,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:51,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:47:51,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:47:51,353 INFO L87 Difference]: Start difference. First operand 329 states and 508 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:47:51,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:51,388 INFO L93 Difference]: Finished difference Result 329 states and 508 transitions. [2024-12-02 14:47:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:47:51,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-12-02 14:47:51,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:51,390 INFO L225 Difference]: With dead ends: 329 [2024-12-02 14:47:51,390 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:47:51,391 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 14:47:51,391 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 0 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2451 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 14:47:51,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2451 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:51,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:47:51,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:47:51,392 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 14:47:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:47:51,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2024-12-02 14:47:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:51,392 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:47:51,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:47:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:47:51,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:47:51,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:47:51,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:47:51,398 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-12-02 14:47:51,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:47:51,469 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:47:51,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:47:51 BoogieIcfgContainer [2024-12-02 14:47:51,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:47:51,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:47:51,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:47:51,479 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:47:51,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:47:46" (3/4) ... [2024-12-02 14:47:51,482 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-12-02 14:47:51,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-12-02 14:47:51,499 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-12-02 14:47:51,500 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-12-02 14:47:51,501 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 14:47:51,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:47:51,504 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:47:51,505 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:47:51,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:47:51,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:47:51,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:47:51,619 INFO L158 Benchmark]: Toolchain (without parser) took 7080.58ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 116.2MB in the beginning and 165.8MB in the end (delta: -49.6MB). Peak memory consumption was 141.1MB. Max. memory is 16.1GB. [2024-12-02 14:47:51,619 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:47:51,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.67ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 78.5MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 14:47:51,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.79ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 73.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:47:51,620 INFO L158 Benchmark]: Boogie Preprocessor took 66.15ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 68.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:47:51,620 INFO L158 Benchmark]: RCFGBuilder took 891.00ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 62.0MB in the end (delta: 6.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-12-02 14:47:51,620 INFO L158 Benchmark]: TraceAbstraction took 5302.60ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 61.4MB in the beginning and 182.4MB in the end (delta: -121.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-12-02 14:47:51,620 INFO L158 Benchmark]: Witness Printer took 139.14ms. Allocated memory is still 335.5MB. Free memory was 182.4MB in the beginning and 165.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:47:51,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.67ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 78.5MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.79ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 73.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.15ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 68.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 891.00ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 62.0MB in the end (delta: 6.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5302.60ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 61.4MB in the beginning and 182.4MB in the end (delta: -121.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Witness Printer took 139.14ms. Allocated memory is still 335.5MB. Free memory was 182.4MB in the beginning and 165.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. 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,"Email.i","") [48] - GenericResultAtLocation [Line: 167]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [167] - GenericResultAtLocation [Line: 392]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [392] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [409] - GenericResultAtLocation [Line: 447]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [447] - GenericResultAtLocation [Line: 851]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [851] - GenericResultAtLocation [Line: 1931]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1931] - GenericResultAtLocation [Line: 2297]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2297] - GenericResultAtLocation [Line: 2591]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2591] - GenericResultAtLocation [Line: 2600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2600] - GenericResultAtLocation [Line: 2619]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2619] * 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: 2596]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, 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, 9356 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6453 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2903 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred 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: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1253 NumberOfCodeBlocks, 1186 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1241 ConstructedInterpolants, 0 QuantifiedInterpolants, 1348 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5103 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 363/381 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 14:47:51,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53c82df-0fbb-438f-a71a-099f74e152cd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE