./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:26:14,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:26:14,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:26:14,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:26:14,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:26:14,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:26:14,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:26:14,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:26:14,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:26:14,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:26:14,999 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:26:14,999 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:26:14,999 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:26:15,000 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:26:15,000 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:26:15,001 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:26:15,001 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:26:15,001 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:26:15,002 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:26:15,002 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:26:15,003 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:26:15,003 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:26:15,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:26:15,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:26:15,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:26:15,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:26:15,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:26:15,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:26:15,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:26:15,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:26:15,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:26:15,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:26:15,008 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:26:15,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:26:15,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:26:15,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:26:15,009 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:26:15,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:26:15,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:15,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:26:15,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:26:15,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:26:15,011 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:26:15,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:26:15,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:26:15,012 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:26:15,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:26:15,012 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2024-11-02 11:26:15,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:26:15,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:26:15,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:26:15,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:26:15,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:26:15,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c Unable to find full path for "g++" [2024-11-02 11:26:17,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:26:18,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:26:18,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2024-11-02 11:26:18,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/data/30969acae/fd8fa5995cf74274a87b3664ddbbd603/FLAG2a8a3c8b2 [2024-11-02 11:26:18,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/data/30969acae/fd8fa5995cf74274a87b3664ddbbd603 [2024-11-02 11:26:18,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:26:18,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:26:18,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:18,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:26:18,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:26:18,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:18" (1/1) ... [2024-11-02 11:26:18,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a350b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:18, skipping insertion in model container [2024-11-02 11:26:18,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:18" (1/1) ... [2024-11-02 11:26:18,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:26:18,612 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2024-11-02 11:26:18,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:18,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:26:18,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-02 11:26:18,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] [2024-11-02 11:26:18,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] [2024-11-02 11:26:18,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] [2024-11-02 11:26:18,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] [2024-11-02 11:26:18,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] [2024-11-02 11:26:18,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] [2024-11-02 11:26:18,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] [2024-11-02 11:26:18,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] [2024-11-02 11:26:18,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] [2024-11-02 11:26:18,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] [2024-11-02 11:26:18,995 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2024-11-02 11:26:19,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:19,245 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:26:19,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19 WrapperNode [2024-11-02 11:26:19,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:19,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:19,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:26:19,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:26:19,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,369 INFO L138 Inliner]: procedures = 107, calls = 113, calls flagged for inlining = 37, calls inlined = 30, statements flattened = 587 [2024-11-02 11:26:19,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:19,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:26:19,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:26:19,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:26:19,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:26:19,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:26:19,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:26:19,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:26:19,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (1/1) ... [2024-11-02 11:26:19,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:26:19,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:26:19,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:26:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-02 11:26:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-02 11:26:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-02 11:26:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-02 11:26:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-02 11:26:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-02 11:26:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-02 11:26:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-02 11:26:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:26:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-02 11:26:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-02 11:26:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-02 11:26:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-02 11:26:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-02 11:26:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-02 11:26:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:26:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:26:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:26:19,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:26:19,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:26:20,282 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-02 11:26:20,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:26:20,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:26:20,509 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:26:20,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:20 BoogieIcfgContainer [2024-11-02 11:26:20,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:26:20,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:26:20,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:26:20,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:26:20,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:26:18" (1/3) ... [2024-11-02 11:26:20,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d08ca35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:20, skipping insertion in model container [2024-11-02 11:26:20,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:19" (2/3) ... [2024-11-02 11:26:20,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d08ca35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:20, skipping insertion in model container [2024-11-02 11:26:20,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:20" (3/3) ... [2024-11-02 11:26:20,519 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2024-11-02 11:26:20,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:26:20,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:26:20,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:26:20,619 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=FINITE_AUTOMATA, 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;@21c7115d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:26:20,620 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:26:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.537037037037037) internal successors, (83), 56 states have internal predecessors, (83), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 11:26:20,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-02 11:26:20,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:20,637 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-02 11:26:20,638 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:20,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:20,645 INFO L85 PathProgramCache]: Analyzing trace with hash -358793802, now seen corresponding path program 1 times [2024-11-02 11:26:20,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:20,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933177428] [2024-11-02 11:26:20,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-02 11:26:21,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:21,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933177428] [2024-11-02 11:26:21,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933177428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:21,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:21,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:26:21,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161393593] [2024-11-02 11:26:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:21,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:26:21,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:26:21,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:26:21,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:26:21,117 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.537037037037037) internal successors, (83), 56 states have internal predecessors, (83), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 11:26:21,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:21,198 INFO L93 Difference]: Finished difference Result 120 states and 164 transitions. [2024-11-02 11:26:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:26:21,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 46 [2024-11-02 11:26:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:21,214 INFO L225 Difference]: With dead ends: 120 [2024-11-02 11:26:21,214 INFO L226 Difference]: Without dead ends: 74 [2024-11-02 11:26:21,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:26:21,226 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:21,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:26:21,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-02 11:26:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-02 11:26:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 11:26:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2024-11-02 11:26:21,292 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 46 [2024-11-02 11:26:21,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:21,294 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2024-11-02 11:26:21,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 11:26:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2024-11-02 11:26:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 11:26:21,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:21,299 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-02 11:26:21,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:26:21,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:21,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:21,301 INFO L85 PathProgramCache]: Analyzing trace with hash 399309324, now seen corresponding path program 1 times [2024-11-02 11:26:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:21,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343692264] [2024-11-02 11:26:21,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-02 11:26:21,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:21,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343692264] [2024-11-02 11:26:21,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343692264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:21,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:26:21,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:26:21,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557237780] [2024-11-02 11:26:21,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:21,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:26:21,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:26:21,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:26:21,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:21,599 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 11:26:21,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:21,709 INFO L93 Difference]: Finished difference Result 116 states and 152 transitions. [2024-11-02 11:26:21,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:26:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2024-11-02 11:26:21,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:21,712 INFO L225 Difference]: With dead ends: 116 [2024-11-02 11:26:21,715 INFO L226 Difference]: Without dead ends: 76 [2024-11-02 11:26:21,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:26:21,717 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:21,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:26:21,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-02 11:26:21,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-02 11:26:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 11:26:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 106 transitions. [2024-11-02 11:26:21,747 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 106 transitions. Word has length 47 [2024-11-02 11:26:21,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:21,747 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 106 transitions. [2024-11-02 11:26:21,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 11:26:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2024-11-02 11:26:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-02 11:26:21,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:21,755 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:21,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 11:26:21,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:21,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:21,757 INFO L85 PathProgramCache]: Analyzing trace with hash -748139098, now seen corresponding path program 1 times [2024-11-02 11:26:21,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:21,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059099791] [2024-11-02 11:26:21,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:21,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-02 11:26:22,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:22,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059099791] [2024-11-02 11:26:22,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059099791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 11:26:22,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263734952] [2024-11-02 11:26:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:22,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:26:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:26:22,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:26:22,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f24d0fba-2fe2-4c43-9d8f-61a28475c8e8/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:26:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:22,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 11:26:22,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-02 11:26:22,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:26:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-02 11:26:22,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263734952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 11:26:22,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [999266833] [2024-11-02 11:26:22,700 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2024-11-02 11:26:22,700 INFO L166 IcfgInterpreter]: Building call graph [2024-11-02 11:26:22,705 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-02 11:26:22,711 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-02 11:26:22,712 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-02 11:26:39,904 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2024-11-02 11:26:40,147 INFO L180 IcfgInterpreter]: Interpretation finished