./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje --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 7a4e3d1ef75cde0243f57ce4bcedb5827704adb835017a69deaa6c50c3201720 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:11:48,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:11:48,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:11:48,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:11:48,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:11:48,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:11:48,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:11:48,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:11:48,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:11:48,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:11:48,897 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:11:48,898 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:11:48,898 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:11:48,899 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:11:48,902 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:11:48,902 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:11:48,903 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:11:48,903 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:11:48,904 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:11:48,904 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:11:48,908 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:11:48,909 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:11:48,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:11:48,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:11:48,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:11:48,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:11:48,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:11:48,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:11:48,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:11:48,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:11:48,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:11:48,916 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:11:48,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:11:48,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:11:48,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:11:48,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:11:48,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:11:48,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:11:48,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:48,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:11:48,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:11:48,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:11:48,921 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:11:48,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:11:48,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:11:48,922 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:11:48,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:11:48,923 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_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a4e3d1ef75cde0243f57ce4bcedb5827704adb835017a69deaa6c50c3201720 [2024-11-09 05:11:49,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:11:49,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:11:49,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:11:49,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:11:49,328 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:11:49,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c Unable to find full path for "g++" [2024-11-09 05:11:51,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:11:52,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:11:52,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2024-11-09 05:11:52,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/data/331e3dd35/52b8c25931694f15962ed83a79119284/FLAGaf2887846 [2024-11-09 05:11:52,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/data/331e3dd35/52b8c25931694f15962ed83a79119284 [2024-11-09 05:11:52,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:11:52,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:11:52,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:52,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:11:52,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:11:52,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:52" (1/1) ... [2024-11-09 05:11:52,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0364a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:52, skipping insertion in model container [2024-11-09 05:11:52,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:52" (1/1) ... [2024-11-09 05:11:52,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:11:53,235 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2024-11-09 05:11:53,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:53,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:11:53,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2024-11-09 05:11:53,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [79] [2024-11-09 05:11:53,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] [2024-11-09 05:11:53,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [509] [2024-11-09 05:11:53,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [547] [2024-11-09 05:11:53,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [913] [2024-11-09 05:11:53,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1138] [2024-11-09 05:11:53,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1236] [2024-11-09 05:11:53,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1533] [2024-11-09 05:11:53,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1815] [2024-11-09 05:11:53,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1824] [2024-11-09 05:11:53,473 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2024-11-09 05:11:53,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:53,555 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:11:53,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53 WrapperNode [2024-11-09 05:11:53,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:53,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:53,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:11:53,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:11:53,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,681 INFO L138 Inliner]: procedures = 127, calls = 184, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1002 [2024-11-09 05:11:53,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:53,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:11:53,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:11:53,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:11:53,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:11:53,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:11:53,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:11:53,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:11:53,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (1/1) ... [2024-11-09 05:11:53,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:11:53,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:11:53,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:11:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 05:11:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 05:11:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 05:11:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 05:11:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 05:11:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 05:11:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 05:11:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 05:11:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 05:11:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 05:11:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 05:11:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 05:11:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 05:11:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 05:11:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 05:11:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 05:11:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:11:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 05:11:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 05:11:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 05:11:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 05:11:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 05:11:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 05:11:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 05:11:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 05:11:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 05:11:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 05:11:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 05:11:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 05:11:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 05:11:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 05:11:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:11:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 05:11:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 05:11:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:11:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:11:54,217 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:11:54,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:11:55,421 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2024-11-09 05:11:55,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:11:56,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:11:56,124 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:11:56,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:56 BoogieIcfgContainer [2024-11-09 05:11:56,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:11:56,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:11:56,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:11:56,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:11:56,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:11:52" (1/3) ... [2024-11-09 05:11:56,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449b24ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:56, skipping insertion in model container [2024-11-09 05:11:56,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:53" (2/3) ... [2024-11-09 05:11:56,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449b24ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:56, skipping insertion in model container [2024-11-09 05:11:56,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:56" (3/3) ... [2024-11-09 05:11:56,137 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2024-11-09 05:11:56,158 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:11:56,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:11:56,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:11:56,270 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a8f5237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:11:56,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:11:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 92 states have internal predecessors, (122), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 05:11:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 05:11:56,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:56,298 INFO L215 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] [2024-11-09 05:11:56,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:56,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1890660290, now seen corresponding path program 1 times [2024-11-09 05:11:56,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:56,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019412500] [2024-11-09 05:11:56,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:11:56,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:56,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019412500] [2024-11-09 05:11:56,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019412500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:56,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:56,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:11:56,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146828066] [2024-11-09 05:11:56,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:56,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:11:56,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:11:56,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:11:56,862 INFO L87 Difference]: Start difference. First operand has 150 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 92 states have internal predecessors, (122), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-09 05:11:57,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:57,050 INFO L93 Difference]: Finished difference Result 217 states and 290 transitions. [2024-11-09 05:11:57,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:11:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 53 [2024-11-09 05:11:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:57,070 INFO L225 Difference]: With dead ends: 217 [2024-11-09 05:11:57,071 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 05:11:57,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:11:57,084 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 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 [2024-11-09 05:11:57,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:11:57,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 05:11:57,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-09 05:11:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 89 states have internal predecessors, (116), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:11:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 199 transitions. [2024-11-09 05:11:57,184 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 199 transitions. Word has length 53 [2024-11-09 05:11:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:57,187 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 199 transitions. [2024-11-09 05:11:57,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-11-09 05:11:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 199 transitions. [2024-11-09 05:11:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 05:11:57,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:57,197 INFO L215 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] [2024-11-09 05:11:57,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:11:57,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:57,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:57,200 INFO L85 PathProgramCache]: Analyzing trace with hash -360204010, now seen corresponding path program 1 times [2024-11-09 05:11:57,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:57,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865277074] [2024-11-09 05:11:57,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:11:57,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:57,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865277074] [2024-11-09 05:11:57,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865277074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:57,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:57,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:11:57,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472114410] [2024-11-09 05:11:57,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:57,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:11:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:57,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:11:57,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:57,675 INFO L87 Difference]: Start difference. First operand 147 states and 199 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-09 05:11:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:57,882 INFO L93 Difference]: Finished difference Result 213 states and 278 transitions. [2024-11-09 05:11:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:11:57,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 54 [2024-11-09 05:11:57,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:57,887 INFO L225 Difference]: With dead ends: 213 [2024-11-09 05:11:57,887 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 05:11:57,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:57,890 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:57,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:11:57,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 05:11:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-09 05:11:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 91 states have internal predecessors, (118), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 05:11:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 201 transitions. [2024-11-09 05:11:57,940 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 201 transitions. Word has length 54 [2024-11-09 05:11:57,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:57,941 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 201 transitions. [2024-11-09 05:11:57,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-09 05:11:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 201 transitions. [2024-11-09 05:11:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:11:57,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:57,948 INFO L215 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] [2024-11-09 05:11:57,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:11:57,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:57,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:57,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1181705483, now seen corresponding path program 1 times [2024-11-09 05:11:57,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:57,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315495784] [2024-11-09 05:11:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:57,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:11:58,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:58,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315495784] [2024-11-09 05:11:58,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315495784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:58,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:58,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:11:58,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401522416] [2024-11-09 05:11:58,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:58,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:11:58,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:58,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:11:58,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:58,200 INFO L87 Difference]: Start difference. First operand 149 states and 201 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-09 05:11:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:58,415 INFO L93 Difference]: Finished difference Result 328 states and 461 transitions. [2024-11-09 05:11:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:11:58,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 59 [2024-11-09 05:11:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:58,419 INFO L225 Difference]: With dead ends: 328 [2024-11-09 05:11:58,423 INFO L226 Difference]: Without dead ends: 197 [2024-11-09 05:11:58,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:58,426 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 57 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:58,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 351 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:11:58,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-09 05:11:58,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 192. [2024-11-09 05:11:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 122 states have (on average 1.401639344262295) internal successors, (171), 123 states have internal predecessors, (171), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 05:11:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 276 transitions. [2024-11-09 05:11:58,477 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 276 transitions. Word has length 59 [2024-11-09 05:11:58,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:58,477 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 276 transitions. [2024-11-09 05:11:58,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-09 05:11:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 276 transitions. [2024-11-09 05:11:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 05:11:58,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:58,485 INFO L215 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] [2024-11-09 05:11:58,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:11:58,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:58,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:58,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1663558701, now seen corresponding path program 1 times [2024-11-09 05:11:58,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:58,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660715523] [2024-11-09 05:11:58,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:58,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:11:58,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:58,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660715523] [2024-11-09 05:11:58,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660715523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:11:58,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505833642] [2024-11-09 05:11:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:58,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:11:58,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:11:58,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:11:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:11:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:59,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:11:59,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:11:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:11:59,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:11:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:11:59,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505833642] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:11:59,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [452257596] [2024-11-09 05:11:59,500 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2024-11-09 05:11:59,500 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:11:59,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:11:59,509 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:11:59,509 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:12:29,843 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:12:29,996 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 05:12:30,125 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:29,453 WARN L286 SmtUtils]: Spent 10.39s on a formula simplification. DAG size of input: 450 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:13:42,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [452257596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:42,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:42,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 05:13:42,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902247435] [2024-11-09 05:13:42,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:42,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:13:42,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:42,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:13:42,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:13:42,698 INFO L87 Difference]: Start difference. First operand 192 states and 276 transitions. Second operand has 23 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 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) [2024-11-09 05:13:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:49,117 INFO L93 Difference]: Finished difference Result 398 states and 588 transitions. [2024-11-09 05:13:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 05:13:49,118 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 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 60 [2024-11-09 05:13:49,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:49,122 INFO L225 Difference]: With dead ends: 398 [2024-11-09 05:13:49,123 INFO L226 Difference]: Without dead ends: 224 [2024-11-09 05:13:49,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 154 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 72.6s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:13:49,132 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 25 mSDsluCounter, 1904 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:49,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2056 Invalid, 1444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 05:13:49,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-09 05:13:49,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 215. [2024-11-09 05:13:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 144 states have (on average 1.4166666666666667) internal successors, (204), 145 states have internal predecessors, (204), 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) [2024-11-09 05:13:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 309 transitions. [2024-11-09 05:13:49,238 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 309 transitions. Word has length 60 [2024-11-09 05:13:49,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:49,239 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 309 transitions. [2024-11-09 05:13:49,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.0) internal successors, (30), 14 states have internal predecessors, (30), 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) [2024-11-09 05:13:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2024-11-09 05:13:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:13:49,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:49,242 INFO L215 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] [2024-11-09 05:13:49,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:13:49,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:49,443 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:49,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash 583236122, now seen corresponding path program 1 times [2024-11-09 05:13:49,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:49,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650470328] [2024-11-09 05:13:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:49,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:49,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:49,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650470328] [2024-11-09 05:13:49,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650470328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:49,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:49,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:13:49,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880647574] [2024-11-09 05:13:49,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:49,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:49,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:49,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:49,613 INFO L87 Difference]: Start difference. First operand 215 states and 309 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, (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) [2024-11-09 05:13:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:49,850 INFO L93 Difference]: Finished difference Result 523 states and 782 transitions. [2024-11-09 05:13:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:49,851 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, (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 65 [2024-11-09 05:13:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:49,854 INFO L225 Difference]: With dead ends: 523 [2024-11-09 05:13:49,854 INFO L226 Difference]: Without dead ends: 332 [2024-11-09 05:13:49,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:49,857 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 55 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:49,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 354 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:49,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-09 05:13:49,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 327. [2024-11-09 05:13:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 231 states have (on average 1.4718614718614718) internal successors, (340), 232 states have internal predecessors, (340), 78 states have call successors, (78), 17 states have call predecessors, (78), 17 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 05:13:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 495 transitions. [2024-11-09 05:13:49,995 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 495 transitions. Word has length 65 [2024-11-09 05:13:49,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:49,996 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 495 transitions. [2024-11-09 05:13:49,996 INFO L472 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, (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) [2024-11-09 05:13:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 495 transitions. [2024-11-09 05:13:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 05:13:49,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:49,999 INFO L215 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] [2024-11-09 05:13:49,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:13:50,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:50,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:50,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1984449093, now seen corresponding path program 1 times [2024-11-09 05:13:50,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:50,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111494906] [2024-11-09 05:13:50,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:50,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:50,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:50,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111494906] [2024-11-09 05:13:50,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111494906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:50,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773693173] [2024-11-09 05:13:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:50,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:50,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:50,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:50,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:13:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:50,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:13:50,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:50,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:50,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773693173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:50,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1369196319] [2024-11-09 05:13:50,647 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2024-11-09 05:13:50,647 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:50,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:50,648 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:50,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:14:29,766 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:14:29,923 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 05:14:31,118 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:14:54,391 WARN L286 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:15:05,515 WARN L286 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:15:50,359 WARN L286 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 452 DAG size of output: 452 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:16:16,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1369196319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:16:16,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:16:16,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 05:16:16,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640969626] [2024-11-09 05:16:16,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:16:16,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:16:16,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:16:16,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:16:16,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:16:16,710 INFO L87 Difference]: Start difference. First operand 327 states and 495 transitions. Second operand has 26 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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) [2024-11-09 05:16:26,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:16:26,760 INFO L93 Difference]: Finished difference Result 662 states and 1029 transitions. [2024-11-09 05:16:26,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:16:26,761 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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 66 [2024-11-09 05:16:26,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:16:26,763 INFO L225 Difference]: With dead ends: 662 [2024-11-09 05:16:26,763 INFO L226 Difference]: Without dead ends: 398 [2024-11-09 05:16:26,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 169 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 105.6s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 05:16:26,766 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 41 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 2278 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:16:26,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 2278 Invalid, 2058 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-09 05:16:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-09 05:16:26,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 341. [2024-11-09 05:16:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 243 states have (on average 1.4691358024691359) internal successors, (357), 244 states have internal predecessors, (357), 79 states have call successors, (79), 18 states have call predecessors, (79), 18 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-09 05:16:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 514 transitions. [2024-11-09 05:16:26,872 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 514 transitions. Word has length 66 [2024-11-09 05:16:26,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:16:26,873 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 514 transitions. [2024-11-09 05:16:26,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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) [2024-11-09 05:16:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 514 transitions. [2024-11-09 05:16:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 05:16:26,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:16:26,875 INFO L215 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] [2024-11-09 05:16:26,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:16:27,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:16:27,076 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:16:27,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:16:27,077 INFO L85 PathProgramCache]: Analyzing trace with hash 422816660, now seen corresponding path program 1 times [2024-11-09 05:16:27,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:16:27,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13385547] [2024-11-09 05:16:27,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:27,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:16:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:16:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:16:27,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:16:27,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13385547] [2024-11-09 05:16:27,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13385547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:16:27,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720239914] [2024-11-09 05:16:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:27,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:16:27,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:16:27,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:16:27,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:16:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:16:27,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:16:27,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:16:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:16:27,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:16:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:16:27,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720239914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:16:27,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1865327969] [2024-11-09 05:16:27,735 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2024-11-09 05:16:27,735 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:16:27,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:16:27,736 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:16:27,736 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:17:43,847 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:17:43,966 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 477 for LOIs [2024-11-09 05:17:44,928 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 422 for LOIs [2024-11-09 05:17:45,247 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 05:17:45,363 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 486 for LOIs [2024-11-09 05:17:46,353 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:18:48,395 WARN L286 SmtUtils]: Spent 13.47s on a formula simplification. DAG size of input: 510 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:18:54,876 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 512 DAG size of output: 503 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:15,972 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 491 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:21,528 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 496 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:53,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1865327969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:19:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 05:19:53,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096544914] [2024-11-09 05:19:53,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:53,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:19:53,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:19:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:19:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:19:53,719 INFO L87 Difference]: Start difference. First operand 341 states and 514 transitions. Second operand has 33 states, 19 states have (on average 1.736842105263158) internal successors, (33), 18 states have internal predecessors, (33), 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) [2024-11-09 05:20:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:20:08,181 INFO L93 Difference]: Finished difference Result 687 states and 1064 transitions. [2024-11-09 05:20:08,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:20:08,182 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.736842105263158) internal successors, (33), 18 states have internal predecessors, (33), 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 69 [2024-11-09 05:20:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:20:08,185 INFO L225 Difference]: With dead ends: 687 [2024-11-09 05:20:08,185 INFO L226 Difference]: Without dead ends: 423 [2024-11-09 05:20:08,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 171 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 127.4s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 05:20:08,188 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 75 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 2906 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 3007 SdHoareTripleChecker+Invalid, 2915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:20:08,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 3007 Invalid, 2915 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2906 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2024-11-09 05:20:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-09 05:20:08,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 377. [2024-11-09 05:20:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 273 states have (on average 1.4615384615384615) internal successors, (399), 274 states have internal predecessors, (399), 82 states have call successors, (82), 21 states have call predecessors, (82), 21 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 05:20:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 562 transitions. [2024-11-09 05:20:08,325 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 562 transitions. Word has length 69 [2024-11-09 05:20:08,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:20:08,325 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 562 transitions. [2024-11-09 05:20:08,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.736842105263158) internal successors, (33), 18 states have internal predecessors, (33), 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) [2024-11-09 05:20:08,326 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 562 transitions. [2024-11-09 05:20:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:20:08,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:20:08,328 INFO L215 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] [2024-11-09 05:20:08,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:20:08,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:20:08,529 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:20:08,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:20:08,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1166628229, now seen corresponding path program 1 times [2024-11-09 05:20:08,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:20:08,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321709543] [2024-11-09 05:20:08,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:20:08,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:20:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:20:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:20:08,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:20:08,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321709543] [2024-11-09 05:20:08,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321709543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:20:08,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722148457] [2024-11-09 05:20:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:20:08,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:20:08,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:20:08,688 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:20:08,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:20:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:20:09,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:20:09,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:20:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:20:09,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:20:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:20:09,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722148457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:20:09,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [798106199] [2024-11-09 05:20:09,152 INFO L159 IcfgInterpreter]: Started Sifa with 57 locations of interest [2024-11-09 05:20:09,152 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:20:09,153 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:20:09,153 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:20:09,153 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:20:44,197 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:20:44,315 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 225 for LOIs [2024-11-09 05:20:44,431 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:21:42,293 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 451 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:22:12,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [798106199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:22:12,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:22:12,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 05:22:12,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149981613] [2024-11-09 05:22:12,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:22:12,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 05:22:12,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:22:12,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 05:22:12,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:22:12,770 INFO L87 Difference]: Start difference. First operand 377 states and 562 transitions. Second operand has 27 states, 19 states have (on average 2.0) internal successors, (38), 18 states have internal predecessors, (38), 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) [2024-11-09 05:22:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:22:23,003 INFO L93 Difference]: Finished difference Result 689 states and 1055 transitions. [2024-11-09 05:22:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 05:22:23,004 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.0) internal successors, (38), 18 states have internal predecessors, (38), 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 68 [2024-11-09 05:22:23,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:22:23,007 INFO L225 Difference]: With dead ends: 689 [2024-11-09 05:22:23,007 INFO L226 Difference]: Without dead ends: 425 [2024-11-09 05:22:23,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 88.3s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:22:23,010 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 17 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:22:23,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2635 Invalid, 2274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 05:22:23,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-09 05:22:23,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 397. [2024-11-09 05:22:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 293 states have (on average 1.4641638225255973) internal successors, (429), 294 states have internal predecessors, (429), 82 states have call successors, (82), 21 states have call predecessors, (82), 21 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 05:22:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 592 transitions. [2024-11-09 05:22:23,174 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 592 transitions. Word has length 68 [2024-11-09 05:22:23,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:22:23,175 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 592 transitions. [2024-11-09 05:22:23,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.0) internal successors, (38), 18 states have internal predecessors, (38), 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) [2024-11-09 05:22:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 592 transitions. [2024-11-09 05:22:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:22:23,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:22:23,178 INFO L215 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] [2024-11-09 05:22:23,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:22:23,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:22:23,379 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:22:23,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:22:23,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1914114243, now seen corresponding path program 1 times [2024-11-09 05:22:23,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:22:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45491612] [2024-11-09 05:22:23,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:22:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:22:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:22:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:22:23,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:22:23,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45491612] [2024-11-09 05:22:23,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45491612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:22:23,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888238912] [2024-11-09 05:22:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:22:23,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:22:23,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:22:23,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:22:23,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:22:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:22:23,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:22:23,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:22:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:22:24,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:22:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:22:24,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888238912] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:22:24,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1849463310] [2024-11-09 05:22:24,093 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2024-11-09 05:22:24,093 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:22:24,094 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:22:24,094 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:22:24,094 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:22:59,000 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2024-11-09 05:22:59,122 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 224 for LOIs [2024-11-09 05:22:59,240 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 257 for LOIs [2024-11-09 05:23:02,150 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 233 for LOIs [2024-11-09 05:23:02,260 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 255 for LOIs [2024-11-09 05:23:08,591 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 260 for LOIs [2024-11-09 05:23:08,747 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 260 for LOIs [2024-11-09 05:23:08,911 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2024-11-09 05:23:09,018 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:24:50,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1849463310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:24:50,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:24:50,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [6, 5, 5] total 58 [2024-11-09 05:24:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875973604] [2024-11-09 05:24:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:24:50,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-09 05:24:50,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:24:50,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-09 05:24:50,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3141, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 05:24:50,623 INFO L87 Difference]: Start difference. First operand 397 states and 592 transitions. Second operand has 50 states, 31 states have (on average 1.096774193548387) internal successors, (34), 29 states have internal predecessors, (34), 14 states have call successors, (14), 8 states have call predecessors, (14), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:25:21,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:25:21,058 INFO L93 Difference]: Finished difference Result 801 states and 1218 transitions. [2024-11-09 05:25:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-09 05:25:21,058 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 31 states have (on average 1.096774193548387) internal successors, (34), 29 states have internal predecessors, (34), 14 states have call successors, (14), 8 states have call predecessors, (14), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 71 [2024-11-09 05:25:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:25:21,062 INFO L225 Difference]: With dead ends: 801 [2024-11-09 05:25:21,062 INFO L226 Difference]: Without dead ends: 497 [2024-11-09 05:25:21,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 160 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 114.0s TimeCoverageRelationStatistics Valid=241, Invalid=4049, Unknown=0, NotChecked=0, Total=4290 [2024-11-09 05:25:21,065 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 100 mSDsluCounter, 4186 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 5702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:25:21,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 4356 Invalid, 5702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 17.6s Time] [2024-11-09 05:25:21,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-09 05:25:21,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 431. [2024-11-09 05:25:21,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 313 states have (on average 1.4376996805111821) internal successors, (450), 314 states have internal predecessors, (450), 90 states have call successors, (90), 29 states have call predecessors, (90), 27 states have return successors, (89), 87 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-09 05:25:21,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 629 transitions. [2024-11-09 05:25:21,263 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 629 transitions. Word has length 71 [2024-11-09 05:25:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:25:21,264 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 629 transitions. [2024-11-09 05:25:21,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 31 states have (on average 1.096774193548387) internal successors, (34), 29 states have internal predecessors, (34), 14 states have call successors, (14), 8 states have call predecessors, (14), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:25:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 629 transitions. [2024-11-09 05:25:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 05:25:21,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:25:21,266 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:25:21,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:25:21,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e068bd-b4f6-4cf6-8895-98262629377e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:25:21,467 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:25:21,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:25:21,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1753265992, now seen corresponding path program 1 times [2024-11-09 05:25:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:25:21,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079624141] [2024-11-09 05:25:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:25:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:25:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:25:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:25:21,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:25:21,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079624141] [2024-11-09 05:25:21,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079624141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:25:21,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:25:21,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:25:21,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412028508] [2024-11-09 05:25:21,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:25:21,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:25:21,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:25:21,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:25:21,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:25:21,618 INFO L87 Difference]: Start difference. First operand 431 states and 629 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 05:25:22,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:25:22,019 INFO L93 Difference]: Finished difference Result 431 states and 629 transitions. [2024-11-09 05:25:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:25:22,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 72 [2024-11-09 05:25:22,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:25:22,021 INFO L225 Difference]: With dead ends: 431 [2024-11-09 05:25:22,021 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:25:22,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:25:22,022 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:25:22,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 663 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:25:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:25:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:25:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:25:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:25:22,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-09 05:25:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:25:22,025 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:25:22,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-09 05:25:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:25:22,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:25:22,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:25:22,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:25:22,031 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:25:22,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:25:49,582 WARN L286 SmtUtils]: Spent 12.30s on a formula simplification. DAG size of input: 675 DAG size of output: 644 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 05:26:06,935 WARN L286 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 648 DAG size of output: 602 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)