./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh --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 3a5e24a2ecd4f1b82ac6c9f3672db1eec2c6845bb52ab38fa9dd83ecce424f6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:38:03,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:38:03,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:38:03,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:38:03,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:38:03,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:38:03,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:38:03,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:38:03,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:38:03,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:38:03,918 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:38:03,919 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:38:03,919 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:38:03,920 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:38:03,920 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:38:03,921 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:38:03,921 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:38:03,922 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:38:03,923 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:38:03,923 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:38:03,924 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:38:03,924 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:38:03,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:38:03,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:38:03,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:38:03,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:38:03,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:38:03,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:38:03,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:38:03,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:38:03,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:38:03,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:38:03,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:38:03,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:38:03,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:38:03,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:38:03,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:38:03,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:38:03,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:38:03,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:38:03,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:38:03,931 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:38:03,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:38:03,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:38:03,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:38:03,932 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:38:03,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:38:03,932 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_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a5e24a2ecd4f1b82ac6c9f3672db1eec2c6845bb52ab38fa9dd83ecce424f6f [2023-12-02 17:38:04,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:38:04,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:38:04,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:38:04,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:38:04,161 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:38:04,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2023-12-02 17:38:06,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:38:07,220 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:38:07,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2023-12-02 17:38:07,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/data/a6ba50260/76131f5b3a204d6892eaf0cb82cdd1f0/FLAG57946a61c [2023-12-02 17:38:07,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/data/a6ba50260/76131f5b3a204d6892eaf0cb82cdd1f0 [2023-12-02 17:38:07,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:38:07,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:38:07,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:38:07,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:38:07,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:38:07,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:07,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d40754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07, skipping insertion in model container [2023-12-02 17:38:07,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:07,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:38:07,740 WARN L240 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_14b30ff8-88d0-4343-9e70-e2118e189372/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c[51080,51093] [2023-12-02 17:38:07,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:38:07,827 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:38:07,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2023-12-02 17:38:07,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] [2023-12-02 17:38:07,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [509] [2023-12-02 17:38:07,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [734] [2023-12-02 17:38:07,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [752] [2023-12-02 17:38:07,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1118] [2023-12-02 17:38:07,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2198] [2023-12-02 17:38:07,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2207] [2023-12-02 17:38:07,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2479] [2023-12-02 17:38:07,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2521] [2023-12-02 17:38:07,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2796] [2023-12-02 17:38:07,903 WARN L240 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_14b30ff8-88d0-4343-9e70-e2118e189372/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c[51080,51093] [2023-12-02 17:38:07,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:38:07,951 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:38:07,958 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:38:07,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07 WrapperNode [2023-12-02 17:38:07,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:38:07,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:38:07,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:38:07,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:38:07,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:07,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,050 INFO L138 Inliner]: procedures = 126, calls = 201, calls flagged for inlining = 55, calls inlined = 46, statements flattened = 913 [2023-12-02 17:38:08,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:38:08,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:38:08,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:38:08,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:38:08,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:38:08,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:38:08,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:38:08,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:38:08,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (1/1) ... [2023-12-02 17:38:08,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:38:08,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:38:08,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:38:08,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:38:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-02 17:38:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-02 17:38:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-02 17:38:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-02 17:38:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 17:38:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 17:38:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 17:38:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 17:38:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 17:38:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 17:38:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-02 17:38:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-02 17:38:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 17:38:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 17:38:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 17:38:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-02 17:38:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-02 17:38:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 17:38:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 17:38:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:38:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 17:38:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 17:38:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 17:38:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 17:38:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 17:38:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 17:38:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 17:38:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 17:38:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-02 17:38:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-02 17:38:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 17:38:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 17:38:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-02 17:38:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-02 17:38:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:38:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 17:38:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 17:38:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:38:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:38:08,399 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:38:08,401 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:38:08,997 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:38:09,332 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:38:09,333 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:38:09,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:09 BoogieIcfgContainer [2023-12-02 17:38:09,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:38:09,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:38:09,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:38:09,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:38:09,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:38:07" (1/3) ... [2023-12-02 17:38:09,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a26ddcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:38:09, skipping insertion in model container [2023-12-02 17:38:09,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07" (2/3) ... [2023-12-02 17:38:09,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a26ddcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:38:09, skipping insertion in model container [2023-12-02 17:38:09,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:09" (3/3) ... [2023-12-02 17:38:09,342 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product15.cil.c [2023-12-02 17:38:09,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:38:09,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:38:09,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:38:09,406 INFO L357 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, mHoare=true, 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;@71124fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:38:09,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:38:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 94 states have internal predecessors, (124), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-02 17:38:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 17:38:09,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:38:09,421 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-02 17:38:09,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:38:09,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:38:09,426 INFO L85 PathProgramCache]: Analyzing trace with hash -486367808, now seen corresponding path program 1 times [2023-12-02 17:38:09,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:38:09,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492715907] [2023-12-02 17:38:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:38:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:38:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:38:09,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:38:09,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492715907] [2023-12-02 17:38:09,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492715907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:38:09,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:38:09,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:38:09,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569405681] [2023-12-02 17:38:09,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:38:09,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:38:09,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:38:09,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:38:09,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:38:09,742 INFO L87 Difference]: Start difference. First operand has 151 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 94 states have internal predecessors, (124), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 17:38:09,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:38:09,839 INFO L93 Difference]: Finished difference Result 219 states and 294 transitions. [2023-12-02 17:38:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:38:09,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2023-12-02 17:38:09,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:38:09,852 INFO L225 Difference]: With dead ends: 219 [2023-12-02 17:38:09,852 INFO L226 Difference]: Without dead ends: 148 [2023-12-02 17:38:09,856 INFO L412 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 [2023-12-02 17:38:09,858 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:38:09,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:38:09,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-02 17:38:09,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-12-02 17:38:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 91 states have internal predecessors, (118), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-02 17:38:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 201 transitions. [2023-12-02 17:38:09,906 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 201 transitions. Word has length 56 [2023-12-02 17:38:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:38:09,907 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 201 transitions. [2023-12-02 17:38:09,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 17:38:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 201 transitions. [2023-12-02 17:38:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 17:38:09,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:38:09,912 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-12-02 17:38:09,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:38:09,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:38:09,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:38:09,914 INFO L85 PathProgramCache]: Analyzing trace with hash 679720049, now seen corresponding path program 1 times [2023-12-02 17:38:09,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:38:09,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019022445] [2023-12-02 17:38:09,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:09,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:38:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:38:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:38:10,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:38:10,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019022445] [2023-12-02 17:38:10,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019022445] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:38:10,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:38:10,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:38:10,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489393039] [2023-12-02 17:38:10,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:38:10,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:38:10,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:38:10,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:38:10,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:38:10,081 INFO L87 Difference]: Start difference. First operand 148 states and 201 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 17:38:10,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:38:10,206 INFO L93 Difference]: Finished difference Result 215 states and 282 transitions. [2023-12-02 17:38:10,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:38:10,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2023-12-02 17:38:10,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:38:10,209 INFO L225 Difference]: With dead ends: 215 [2023-12-02 17:38:10,209 INFO L226 Difference]: Without dead ends: 150 [2023-12-02 17:38:10,211 INFO L412 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 [2023-12-02 17:38:10,212 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:38:10,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:38:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-02 17:38:10,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2023-12-02 17:38:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 93 states have internal predecessors, (120), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-02 17:38:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 203 transitions. [2023-12-02 17:38:10,232 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 203 transitions. Word has length 57 [2023-12-02 17:38:10,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:38:10,232 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 203 transitions. [2023-12-02 17:38:10,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 17:38:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2023-12-02 17:38:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 17:38:10,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:38:10,235 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:38:10,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:38:10,236 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:38:10,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:38:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash 596851492, now seen corresponding path program 1 times [2023-12-02 17:38:10,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:38:10,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491744610] [2023-12-02 17:38:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:10,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:38:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:38:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:38:10,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:38:10,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491744610] [2023-12-02 17:38:10,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491744610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:38:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:38:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:38:10,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788032057] [2023-12-02 17:38:10,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:38:10,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:38:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:38:10,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:38:10,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:38:10,331 INFO L87 Difference]: Start difference. First operand 150 states and 203 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 17:38:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:38:10,425 INFO L93 Difference]: Finished difference Result 330 states and 465 transitions. [2023-12-02 17:38:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:38:10,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 62 [2023-12-02 17:38:10,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:38:10,429 INFO L225 Difference]: With dead ends: 330 [2023-12-02 17:38:10,429 INFO L226 Difference]: Without dead ends: 198 [2023-12-02 17:38:10,431 INFO L412 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 [2023-12-02 17:38:10,432 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 57 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:38:10,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 352 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:38:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-12-02 17:38:10,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193. [2023-12-02 17:38:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.4180327868852458) internal successors, (173), 125 states have internal predecessors, (173), 53 states have call successors, (53), 17 states have call predecessors, (53), 17 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 17:38:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 278 transitions. [2023-12-02 17:38:10,454 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 278 transitions. Word has length 62 [2023-12-02 17:38:10,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:38:10,455 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 278 transitions. [2023-12-02 17:38:10,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 17:38:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 278 transitions. [2023-12-02 17:38:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 17:38:10,458 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:38:10,458 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:38:10,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 17:38:10,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:38:10,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:38:10,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1525803100, now seen corresponding path program 1 times [2023-12-02 17:38:10,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:38:10,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464302187] [2023-12-02 17:38:10,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:38:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:38:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:38:10,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:38:10,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464302187] [2023-12-02 17:38:10,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464302187] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:38:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932662243] [2023-12-02 17:38:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:10,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:38:10,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:38:10,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:38:10,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:38:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:38:10,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:38:10,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:38:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:38:11,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:38:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:38:11,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932662243] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:38:11,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [784230203] [2023-12-02 17:38:11,091 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2023-12-02 17:38:11,091 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:38:11,094 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:38:11,099 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:38:11,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:38:50,941 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-12-02 17:38:51,202 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2023-12-02 17:38:51,363 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:39:52,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [784230203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:39:52,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 17:39:52,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 17:39:52,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193768645] [2023-12-02 17:39:52,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:39:52,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 17:39:52,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:39:52,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 17:39:52,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 17:39:52,197 INFO L87 Difference]: Start difference. First operand 193 states and 278 transitions. Second operand has 24 states, 16 states have (on average 2.0625) internal successors, (33), 15 states have internal predecessors, (33), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-02 17:40:01,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:40:01,120 INFO L93 Difference]: Finished difference Result 431 states and 652 transitions. [2023-12-02 17:40:01,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 17:40:01,121 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.0625) internal successors, (33), 15 states have internal predecessors, (33), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 63 [2023-12-02 17:40:01,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:40:01,124 INFO L225 Difference]: With dead ends: 431 [2023-12-02 17:40:01,124 INFO L226 Difference]: Without dead ends: 256 [2023-12-02 17:40:01,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 60.8s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 17:40:01,127 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 82 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 2503 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-12-02 17:40:01,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 2503 Invalid, 2086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-12-02 17:40:01,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-12-02 17:40:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 216. [2023-12-02 17:40:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 144 states have (on average 1.4305555555555556) internal successors, (206), 147 states have internal predecessors, (206), 53 states have call successors, (53), 18 states have call predecessors, (53), 18 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 17:40:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 311 transitions. [2023-12-02 17:40:01,199 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 311 transitions. Word has length 63 [2023-12-02 17:40:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:40:01,200 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 311 transitions. [2023-12-02 17:40:01,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.0625) internal successors, (33), 15 states have internal predecessors, (33), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-02 17:40:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2023-12-02 17:40:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 17:40:01,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:40:01,203 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:40:01,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:40:01,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:40:01,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:40:01,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:40:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1479343401, now seen corresponding path program 1 times [2023-12-02 17:40:01,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:40:01,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120489150] [2023-12-02 17:40:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:40:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:40:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:40:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 17:40:01,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:40:01,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120489150] [2023-12-02 17:40:01,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120489150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:40:01,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:40:01,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:40:01,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215464001] [2023-12-02 17:40:01,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:40:01,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:40:01,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:40:01,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:40:01,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:40:01,490 INFO L87 Difference]: Start difference. First operand 216 states and 311 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 17:40:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:40:01,669 INFO L93 Difference]: Finished difference Result 525 states and 786 transitions. [2023-12-02 17:40:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:40:01,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 68 [2023-12-02 17:40:01,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:40:01,672 INFO L225 Difference]: With dead ends: 525 [2023-12-02 17:40:01,672 INFO L226 Difference]: Without dead ends: 333 [2023-12-02 17:40:01,673 INFO L412 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 [2023-12-02 17:40:01,673 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 55 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:40:01,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 353 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:40:01,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-02 17:40:01,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 328. [2023-12-02 17:40:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 231 states have (on average 1.4805194805194806) internal successors, (342), 234 states have internal predecessors, (342), 78 states have call successors, (78), 18 states have call predecessors, (78), 18 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-12-02 17:40:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 497 transitions. [2023-12-02 17:40:01,761 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 497 transitions. Word has length 68 [2023-12-02 17:40:01,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:40:01,762 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 497 transitions. [2023-12-02 17:40:01,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 17:40:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 497 transitions. [2023-12-02 17:40:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 17:40:01,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:40:01,763 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:40:01,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 17:40:01,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:40:01,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:40:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash -68722196, now seen corresponding path program 1 times [2023-12-02 17:40:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:40:01,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690885068] [2023-12-02 17:40:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:40:01,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:40:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:40:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 17:40:01,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:40:01,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690885068] [2023-12-02 17:40:01,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690885068] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:40:01,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382779455] [2023-12-02 17:40:01,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:40:01,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:40:01,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:40:01,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:40:01,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 17:40:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:40:02,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:40:02,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:40:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 17:40:02,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:40:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 17:40:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382779455] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:40:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [632917398] [2023-12-02 17:40:02,260 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2023-12-02 17:40:02,260 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:40:02,261 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:40:02,261 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:40:02,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:40:56,124 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-12-02 17:40:56,287 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 477 for LOIs [2023-12-02 17:40:58,381 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:41:18,737 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 477 DAG size of output: 478 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:41:28,019 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 507 DAG size of output: 503 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:42:28,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [632917398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:42:28,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 17:42:28,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 17:42:28,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750077725] [2023-12-02 17:42:28,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:42:28,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 17:42:28,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:42:28,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 17:42:28,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 17:42:28,869 INFO L87 Difference]: Start difference. First operand 328 states and 497 transitions. Second operand has 28 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-12-02 17:42:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:42:39,967 INFO L93 Difference]: Finished difference Result 672 states and 1047 transitions. [2023-12-02 17:42:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 17:42:39,968 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 69 [2023-12-02 17:42:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:42:39,970 INFO L225 Difference]: With dead ends: 672 [2023-12-02 17:42:39,970 INFO L226 Difference]: Without dead ends: 407 [2023-12-02 17:42:39,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 90.5s TimeCoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 17:42:39,972 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 97 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-12-02 17:42:39,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 2463 Invalid, 2328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2320 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-12-02 17:42:39,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-12-02 17:42:40,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 342. [2023-12-02 17:42:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 243 states have (on average 1.477366255144033) internal successors, (359), 246 states have internal predecessors, (359), 79 states have call successors, (79), 19 states have call predecessors, (79), 19 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-12-02 17:42:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 516 transitions. [2023-12-02 17:42:40,070 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 516 transitions. Word has length 69 [2023-12-02 17:42:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:42:40,070 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 516 transitions. [2023-12-02 17:42:40,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-12-02 17:42:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 516 transitions. [2023-12-02 17:42:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 17:42:40,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:42:40,072 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:42:40,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 17:42:40,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:42:40,273 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:42:40,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:42:40,273 INFO L85 PathProgramCache]: Analyzing trace with hash 283936074, now seen corresponding path program 1 times [2023-12-02 17:42:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:42:40,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694979745] [2023-12-02 17:42:40,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:42:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:42:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:42:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:42:40,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:42:40,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694979745] [2023-12-02 17:42:40,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694979745] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:42:40,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908319674] [2023-12-02 17:42:40,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:42:40,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:42:40,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:42:40,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:42:40,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 17:42:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:42:40,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:42:40,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:42:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:42:40,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:42:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:42:40,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908319674] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:42:40,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [767698117] [2023-12-02 17:42:40,787 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2023-12-02 17:42:40,787 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:42:40,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:42:40,788 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:42:40,788 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:44:35,545 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-12-02 17:44:35,709 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 544 for LOIs [2023-12-02 17:44:37,550 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 468 for LOIs [2023-12-02 17:44:38,162 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2023-12-02 17:44:38,329 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 553 for LOIs [2023-12-02 17:44:40,216 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:45:30,754 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 582 DAG size of output: 574 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:46:25,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [767698117] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:46:25,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 17:46:25,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 17:46:25,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764275783] [2023-12-02 17:46:25,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:46:25,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 17:46:25,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:46:25,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 17:46:25,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 17:46:25,121 INFO L87 Difference]: Start difference. First operand 342 states and 516 transitions. Second operand has 33 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2023-12-02 17:46:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:46:42,847 INFO L93 Difference]: Finished difference Result 697 states and 1082 transitions. [2023-12-02 17:46:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 17:46:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) Word has length 72 [2023-12-02 17:46:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:46:42,852 INFO L225 Difference]: With dead ends: 697 [2023-12-02 17:46:42,852 INFO L226 Difference]: Without dead ends: 432 [2023-12-02 17:46:42,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 104.9s TimeCoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 17:46:42,854 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 58 mSDsluCounter, 2606 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 2764 SdHoareTripleChecker+Invalid, 2952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:46:42,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2764 Invalid, 2952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2943 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2023-12-02 17:46:42,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2023-12-02 17:46:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 378. [2023-12-02 17:46:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 273 states have (on average 1.468864468864469) internal successors, (401), 276 states have internal predecessors, (401), 82 states have call successors, (82), 22 states have call predecessors, (82), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-12-02 17:46:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 564 transitions. [2023-12-02 17:46:43,030 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 564 transitions. Word has length 72 [2023-12-02 17:46:43,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:46:43,031 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 564 transitions. [2023-12-02 17:46:43,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2023-12-02 17:46:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 564 transitions. [2023-12-02 17:46:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 17:46:43,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:46:43,034 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:46:43,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-02 17:46:43,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 17:46:43,241 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:46:43,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:46:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash -364885790, now seen corresponding path program 1 times [2023-12-02 17:46:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:46:43,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36034695] [2023-12-02 17:46:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:46:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:46:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:46:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:46:43,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:46:43,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36034695] [2023-12-02 17:46:43,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36034695] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:46:43,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175532943] [2023-12-02 17:46:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:46:43,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:46:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:46:43,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:46:43,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 17:46:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:46:43,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:46:43,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:46:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:46:43,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:46:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 17:46:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175532943] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:46:43,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [975414785] [2023-12-02 17:46:43,674 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2023-12-02 17:46:43,674 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:46:43,675 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:46:43,675 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:46:43,675 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:47:39,019 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-12-02 17:47:39,179 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 227 for LOIs [2023-12-02 17:47:39,341 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:49:12,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [975414785] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:49:12,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 17:49:12,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [4, 4, 4] total 37 [2023-12-02 17:49:12,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715199911] [2023-12-02 17:49:12,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:49:12,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 17:49:12,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:49:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 17:49:12,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1177, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 17:49:12,457 INFO L87 Difference]: Start difference. First operand 378 states and 564 transitions. Second operand has 32 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 23 states have internal predecessors, (41), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-02 17:49:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:49:23,667 INFO L93 Difference]: Finished difference Result 711 states and 1097 transitions. [2023-12-02 17:49:23,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 17:49:23,667 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 23 states have internal predecessors, (41), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 71 [2023-12-02 17:49:23,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:49:23,670 INFO L225 Difference]: With dead ends: 711 [2023-12-02 17:49:23,670 INFO L226 Difference]: Without dead ends: 446 [2023-12-02 17:49:23,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 93.1s TimeCoverageRelationStatistics Valid=155, Invalid=1177, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 17:49:23,672 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 84 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 2406 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-12-02 17:49:23,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 2406 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-12-02 17:49:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-12-02 17:49:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 398. [2023-12-02 17:49:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 293 states have (on average 1.47098976109215) internal successors, (431), 296 states have internal predecessors, (431), 82 states have call successors, (82), 22 states have call predecessors, (82), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-12-02 17:49:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 594 transitions. [2023-12-02 17:49:23,832 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 594 transitions. Word has length 71 [2023-12-02 17:49:23,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:49:23,832 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 594 transitions. [2023-12-02 17:49:23,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 23 states have internal predecessors, (41), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-02 17:49:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 594 transitions. [2023-12-02 17:49:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 17:49:23,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:23,834 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:49:23,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 17:49:24,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 17:49:24,035 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:24,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:24,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1196835316, now seen corresponding path program 1 times [2023-12-02 17:49:24,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:49:24,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69975554] [2023-12-02 17:49:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:49:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-02 17:49:24,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:49:24,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69975554] [2023-12-02 17:49:24,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69975554] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:49:24,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:49:24,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:49:24,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224109922] [2023-12-02 17:49:24,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:49:24,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:49:24,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:49:24,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:49:24,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:49:24,152 INFO L87 Difference]: Start difference. First operand 398 states and 594 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 17:49:24,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:49:24,410 INFO L93 Difference]: Finished difference Result 483 states and 692 transitions. [2023-12-02 17:49:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:49:24,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2023-12-02 17:49:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:49:24,414 INFO L225 Difference]: With dead ends: 483 [2023-12-02 17:49:24,414 INFO L226 Difference]: Without dead ends: 420 [2023-12-02 17:49:24,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:49:24,415 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 119 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:49:24,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 222 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:49:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-12-02 17:49:24,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2023-12-02 17:49:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 305 states have (on average 1.4524590163934425) internal successors, (443), 308 states have internal predecessors, (443), 86 states have call successors, (86), 29 states have call predecessors, (86), 28 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-12-02 17:49:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 614 transitions. [2023-12-02 17:49:24,657 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 614 transitions. Word has length 74 [2023-12-02 17:49:24,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:49:24,658 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 614 transitions. [2023-12-02 17:49:24,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 17:49:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 614 transitions. [2023-12-02 17:49:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 17:49:24,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:24,661 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:49:24,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 17:49:24,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:24,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:24,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1380938736, now seen corresponding path program 1 times [2023-12-02 17:49:24,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:49:24,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965797752] [2023-12-02 17:49:24,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:24,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:49:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-02 17:49:24,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:49:24,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965797752] [2023-12-02 17:49:24,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965797752] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:49:24,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:49:24,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 17:49:24,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959260283] [2023-12-02 17:49:24,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:49:24,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:49:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:49:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:49:24,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:49:24,941 INFO L87 Difference]: Start difference. First operand 420 states and 614 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-02 17:49:25,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:49:25,531 INFO L93 Difference]: Finished difference Result 522 states and 726 transitions. [2023-12-02 17:49:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:49:25,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 105 [2023-12-02 17:49:25,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:49:25,535 INFO L225 Difference]: With dead ends: 522 [2023-12-02 17:49:25,535 INFO L226 Difference]: Without dead ends: 426 [2023-12-02 17:49:25,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-02 17:49:25,536 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 207 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:49:25,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 354 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 17:49:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-12-02 17:49:25,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2023-12-02 17:49:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 308 states have (on average 1.4415584415584415) internal successors, (444), 311 states have internal predecessors, (444), 86 states have call successors, (86), 32 states have call predecessors, (86), 31 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-12-02 17:49:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 615 transitions. [2023-12-02 17:49:25,798 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 615 transitions. Word has length 105 [2023-12-02 17:49:25,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:49:25,799 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 615 transitions. [2023-12-02 17:49:25,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-02 17:49:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 615 transitions. [2023-12-02 17:49:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 17:49:25,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:49:25,802 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:49:25,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 17:49:25,803 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:49:25,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:49:25,803 INFO L85 PathProgramCache]: Analyzing trace with hash 971157704, now seen corresponding path program 1 times [2023-12-02 17:49:25,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:49:25,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411928266] [2023-12-02 17:49:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:49:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 17:49:26,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:49:26,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411928266] [2023-12-02 17:49:26,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411928266] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:49:26,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444089114] [2023-12-02 17:49:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:49:26,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:49:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:49:26,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:49:26,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b30ff8-88d0-4343-9e70-e2118e189372/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 17:49:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:49:26,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:49:26,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:49:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 17:49:26,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:49:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 17:49:27,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444089114] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:49:27,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [980290685] [2023-12-02 17:49:27,044 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2023-12-02 17:49:27,044 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:49:27,045 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:49:27,045 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:49:27,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:50:18,896 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 225 for LOIs [2023-12-02 17:50:19,056 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 479 for LOIs [2023-12-02 17:50:21,142 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 248 for LOIs [2023-12-02 17:50:26,375 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 291 for LOIs [2023-12-02 17:50:50,862 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 249 for LOIs [2023-12-02 17:50:51,047 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 296 for LOIs [2023-12-02 17:50:52,835 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 252 for LOIs [2023-12-02 17:50:54,033 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 280 for LOIs [2023-12-02 17:50:55,349 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 224 for LOIs [2023-12-02 17:50:56,180 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:51:19,461 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 479 DAG size of output: 479 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:51:29,182 WARN L293 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 509 DAG size of output: 504 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)