./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/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_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/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_8923b064-a8c4-48e0-9318-5c0a6f6f5062/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 0a22b5b7c3f7f6e8ff7182918ba517a92e8c6204e4a486ab05fe09fb2404c376 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:32:11,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:32:11,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:32:11,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:32:11,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:32:11,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:32:11,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:32:11,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:32:11,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:32:11,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:32:11,835 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:32:11,835 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:32:11,836 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:32:11,836 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:32:11,837 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:32:11,837 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:32:11,837 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:32:11,838 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:32:11,838 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:32:11,839 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:32:11,840 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:32:11,840 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:32:11,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:32:11,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:32:11,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:32:11,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:32:11,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:32:11,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:32:11,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:32:11,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:32:11,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:32:11,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:32:11,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:32:11,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:32:11,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:32:11,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:32:11,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:32:11,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:32:11,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:32:11,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:32:11,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:32:11,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:32:11,848 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:32:11,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:32:11,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:32:11,849 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:32:11,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:32:11,849 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_8923b064-a8c4-48e0-9318-5c0a6f6f5062/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a22b5b7c3f7f6e8ff7182918ba517a92e8c6204e4a486ab05fe09fb2404c376 [2024-11-09 04:32:12,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:32:12,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:32:12,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:32:12,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:32:12,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:32:12,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c Unable to find full path for "g++" [2024-11-09 04:32:14,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:32:14,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:32:14,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2024-11-09 04:32:14,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/data/246fb9d4c/beb6fc1053ea47b598d8a79b274459eb/FLAGe39aba88d [2024-11-09 04:32:14,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/data/246fb9d4c/beb6fc1053ea47b598d8a79b274459eb [2024-11-09 04:32:14,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:32:14,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:32:14,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:32:14,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:32:14,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:32:14,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:32:14" (1/1) ... [2024-11-09 04:32:14,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41457af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:14, skipping insertion in model container [2024-11-09 04:32:14,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:32:14" (1/1) ... [2024-11-09 04:32:14,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:32:15,481 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_8923b064-a8c4-48e0-9318-5c0a6f6f5062/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2024-11-09 04:32:15,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:32:15,501 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:32:15,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-09 04:32:15,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [460] [2024-11-09 04:32:15,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [509] [2024-11-09 04:32:15,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [576] [2024-11-09 04:32:15,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [876] [2024-11-09 04:32:15,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [896] [2024-11-09 04:32:15,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1262] [2024-11-09 04:32:15,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1478] [2024-11-09 04:32:15,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1671] [2024-11-09 04:32:15,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2740] [2024-11-09 04:32:15,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2749] [2024-11-09 04:32:15,657 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_8923b064-a8c4-48e0-9318-5c0a6f6f5062/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2024-11-09 04:32:15,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:32:15,693 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:32:15,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15 WrapperNode [2024-11-09 04:32:15,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:32:15,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:32:15,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:32:15,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:32:15,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,770 INFO L138 Inliner]: procedures = 121, calls = 162, calls flagged for inlining = 48, calls inlined = 43, statements flattened = 798 [2024-11-09 04:32:15,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:32:15,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:32:15,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:32:15,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:32:15,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:32:15,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:32:15,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:32:15,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:32:15,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (1/1) ... [2024-11-09 04:32:15,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:32:15,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:32:15,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:32:15,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:32:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 04:32:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 04:32:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 04:32:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 04:32:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 04:32:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 04:32:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 04:32:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 04:32:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 04:32:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 04:32:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 04:32:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 04:32:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:32:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 04:32:15,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 04:32:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 04:32:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 04:32:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 04:32:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 04:32:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 04:32:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 04:32:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 04:32:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 04:32:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 04:32:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 04:32:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:32:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 04:32:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 04:32:15,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:32:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:32:16,213 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:32:16,216 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:32:17,082 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-09 04:32:17,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:32:17,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:32:17,584 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:32:17,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:32:17 BoogieIcfgContainer [2024-11-09 04:32:17,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:32:17,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:32:17,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:32:17,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:32:17,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:32:14" (1/3) ... [2024-11-09 04:32:17,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e9862f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:32:17, skipping insertion in model container [2024-11-09 04:32:17,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:32:15" (2/3) ... [2024-11-09 04:32:17,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e9862f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:32:17, skipping insertion in model container [2024-11-09 04:32:17,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:32:17" (3/3) ... [2024-11-09 04:32:17,595 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2024-11-09 04:32:17,615 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:32:17,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:32:17,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:32:17,707 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;@579596cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:32:17,707 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:32:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 76 states have (on average 1.381578947368421) internal successors, (105), 78 states have internal predecessors, (105), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 04:32:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 04:32:17,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:17,725 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] [2024-11-09 04:32:17,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:17,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:17,734 INFO L85 PathProgramCache]: Analyzing trace with hash -654076413, now seen corresponding path program 1 times [2024-11-09 04:32:17,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:32:17,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660737602] [2024-11-09 04:32:17,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:17,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:32:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:32:18,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:32:18,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660737602] [2024-11-09 04:32:18,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660737602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:18,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:18,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:32:18,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410193966] [2024-11-09 04:32:18,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:18,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:32:18,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:32:18,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:32:18,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:32:18,181 INFO L87 Difference]: Start difference. First operand has 126 states, 76 states have (on average 1.381578947368421) internal successors, (105), 78 states have internal predecessors, (105), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 04:32:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:18,272 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2024-11-09 04:32:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:32:18,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 58 [2024-11-09 04:32:18,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:18,284 INFO L225 Difference]: With dead ends: 169 [2024-11-09 04:32:18,285 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 04:32:18,288 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 04:32:18,291 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:18,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:32:18,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 04:32:18,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-09 04:32:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 74 states have (on average 1.337837837837838) internal successors, (99), 75 states have internal predecessors, (99), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 04:32:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 168 transitions. [2024-11-09 04:32:18,342 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 168 transitions. Word has length 58 [2024-11-09 04:32:18,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:18,343 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 168 transitions. [2024-11-09 04:32:18,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 04:32:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 168 transitions. [2024-11-09 04:32:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 04:32:18,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:18,348 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 04:32:18,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:32:18,348 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:18,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:18,349 INFO L85 PathProgramCache]: Analyzing trace with hash -355629896, now seen corresponding path program 1 times [2024-11-09 04:32:18,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:32:18,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775223275] [2024-11-09 04:32:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:18,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:32:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:32:18,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:32:18,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775223275] [2024-11-09 04:32:18,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775223275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:18,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:18,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:32:18,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398857401] [2024-11-09 04:32:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:18,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:32:18,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:32:18,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:32:18,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:32:18,625 INFO L87 Difference]: Start difference. First operand 123 states and 168 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:32:18,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:18,741 INFO L93 Difference]: Finished difference Result 165 states and 216 transitions. [2024-11-09 04:32:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:32:18,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 59 [2024-11-09 04:32:18,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:18,746 INFO L225 Difference]: With dead ends: 165 [2024-11-09 04:32:18,746 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 04:32:18,747 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 04:32:18,749 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:18,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:32:18,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 04:32:18,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-09 04:32:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 77 states have internal predecessors, (101), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 04:32:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 170 transitions. [2024-11-09 04:32:18,778 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 170 transitions. Word has length 59 [2024-11-09 04:32:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:18,778 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 170 transitions. [2024-11-09 04:32:18,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:32:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 170 transitions. [2024-11-09 04:32:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 04:32:18,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:18,784 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:32:18,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:32:18,785 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:18,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash -52537573, now seen corresponding path program 1 times [2024-11-09 04:32:18,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:32:18,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408753765] [2024-11-09 04:32:18,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:32:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:32:18,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:32:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408753765] [2024-11-09 04:32:18,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408753765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:32:18,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:32:18,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:32:18,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229416843] [2024-11-09 04:32:18,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:32:18,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:32:18,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:32:18,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:32:18,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:32:18,979 INFO L87 Difference]: Start difference. First operand 125 states and 170 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 04:32:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:32:19,120 INFO L93 Difference]: Finished difference Result 280 states and 399 transitions. [2024-11-09 04:32:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:32:19,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 64 [2024-11-09 04:32:19,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:32:19,124 INFO L225 Difference]: With dead ends: 280 [2024-11-09 04:32:19,124 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 04:32:19,125 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 04:32:19,130 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 57 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:32:19,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 293 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:32:19,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 04:32:19,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 168. [2024-11-09 04:32:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.4259259259259258) internal successors, (154), 109 states have internal predecessors, (154), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 04:32:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 245 transitions. [2024-11-09 04:32:19,163 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 245 transitions. Word has length 64 [2024-11-09 04:32:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:32:19,163 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 245 transitions. [2024-11-09 04:32:19,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 04:32:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 245 transitions. [2024-11-09 04:32:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 04:32:19,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:32:19,170 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:32:19,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:32:19,171 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:32:19,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:32:19,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1854584723, now seen corresponding path program 1 times [2024-11-09 04:32:19,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:32:19,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282186095] [2024-11-09 04:32:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:32:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:32:19,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:32:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282186095] [2024-11-09 04:32:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282186095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:32:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461845266] [2024-11-09 04:32:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:32:19,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:32:19,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:32:19,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:32:19,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:32:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:32:19,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:32:19,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:32:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:32:19,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:32:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:32:20,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461845266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:32:20,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [634429499] [2024-11-09 04:32:20,051 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2024-11-09 04:32:20,052 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:32:20,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:32:20,062 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:32:20,063 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:32:51,321 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:32:51,540 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 04:32:51,800 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:33:50,440 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 436 DAG size of output: 436 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:34:03,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [634429499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:03,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:34:03,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-09 04:34:03,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5865918] [2024-11-09 04:34:03,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:03,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 04:34:03,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:34:03,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 04:34:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-09 04:34:03,022 INFO L87 Difference]: Start difference. First operand 168 states and 245 transitions. Second operand has 23 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:34:13,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:13,360 INFO L93 Difference]: Finished difference Result 350 states and 526 transitions. [2024-11-09 04:34:13,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 04:34:13,361 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 65 [2024-11-09 04:34:13,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:13,365 INFO L225 Difference]: With dead ends: 350 [2024-11-09 04:34:13,365 INFO L226 Difference]: Without dead ends: 200 [2024-11-09 04:34:13,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 169 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 74.4s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2024-11-09 04:34:13,369 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 25 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 1691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:13,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1908 Invalid, 1691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-09 04:34:13,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-09 04:34:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 191. [2024-11-09 04:34:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 131 states have internal predecessors, (187), 46 states have call successors, (46), 14 states have call predecessors, (46), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 04:34:13,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 278 transitions. [2024-11-09 04:34:13,461 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 278 transitions. Word has length 65 [2024-11-09 04:34:13,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:13,461 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 278 transitions. [2024-11-09 04:34:13,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:34:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 278 transitions. [2024-11-09 04:34:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 04:34:13,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:13,465 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:13,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:34:13,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:34:13,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:13,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:13,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1125315757, now seen corresponding path program 1 times [2024-11-09 04:34:13,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:34:13,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63196492] [2024-11-09 04:34:13,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:13,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:34:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:34:13,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:34:13,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63196492] [2024-11-09 04:34:13,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63196492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:13,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:34:13,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:34:13,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412940745] [2024-11-09 04:34:13,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:13,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:34:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:34:13,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:34:13,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:34:13,823 INFO L87 Difference]: Start difference. First operand 191 states and 278 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:34:13,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:13,999 INFO L93 Difference]: Finished difference Result 475 states and 720 transitions. [2024-11-09 04:34:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:34:14,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2024-11-09 04:34:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:14,003 INFO L225 Difference]: With dead ends: 475 [2024-11-09 04:34:14,004 INFO L226 Difference]: Without dead ends: 308 [2024-11-09 04:34:14,005 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 04:34:14,006 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 55 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:14,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 296 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:34:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-09 04:34:14,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 303. [2024-11-09 04:34:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 217 states have (on average 1.4884792626728112) internal successors, (323), 218 states have internal predecessors, (323), 71 states have call successors, (71), 14 states have call predecessors, (71), 14 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 04:34:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 464 transitions. [2024-11-09 04:34:14,110 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 464 transitions. Word has length 70 [2024-11-09 04:34:14,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:14,110 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 464 transitions. [2024-11-09 04:34:14,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:34:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 464 transitions. [2024-11-09 04:34:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 04:34:14,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:14,114 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:14,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:34:14,114 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:14,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:14,115 INFO L85 PathProgramCache]: Analyzing trace with hash 936319260, now seen corresponding path program 1 times [2024-11-09 04:34:14,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:34:14,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001948595] [2024-11-09 04:34:14,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:14,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:34:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:34:14,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:34:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001948595] [2024-11-09 04:34:14,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001948595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:34:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855121074] [2024-11-09 04:34:14,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:34:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:34:14,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:34:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:34:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:14,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:34:14,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:34:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:34:14,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:34:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:34:14,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855121074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:34:14,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1887590011] [2024-11-09 04:34:14,743 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2024-11-09 04:34:14,743 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:34:14,744 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:34:14,744 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:34:14,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:34:53,980 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:34:54,105 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 417 for LOIs [2024-11-09 04:34:55,259 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:35:21,319 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 417 DAG size of output: 418 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:35:33,719 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification. DAG size of input: 441 DAG size of output: 436 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:36:20,370 WARN L286 SmtUtils]: Spent 12.67s on a formula simplification. DAG size of input: 438 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:36:34,743 WARN L286 SmtUtils]: Spent 12.83s on a formula simplification. DAG size of input: 439 DAG size of output: 438 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:36:48,230 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification. DAG size of input: 443 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:37:02,343 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification. DAG size of input: 443 DAG size of output: 442 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:37:17,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1887590011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:17,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:37:17,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 31 [2024-11-09 04:37:17,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058772288] [2024-11-09 04:37:17,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:17,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 04:37:17,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:37:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 04:37:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 04:37:17,694 INFO L87 Difference]: Start difference. First operand 303 states and 464 transitions. Second operand has 26 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 04:37:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:28,957 INFO L93 Difference]: Finished difference Result 614 states and 967 transitions. [2024-11-09 04:37:28,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 04:37:28,958 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 71 [2024-11-09 04:37:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:28,961 INFO L225 Difference]: With dead ends: 614 [2024-11-09 04:37:28,962 INFO L226 Difference]: Without dead ends: 374 [2024-11-09 04:37:28,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 184 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 142.4s TimeCoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-09 04:37:28,966 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 41 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:28,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1925 Invalid, 1980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1972 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2024-11-09 04:37:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-09 04:37:29,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 317. [2024-11-09 04:37:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 229 states have (on average 1.48471615720524) internal successors, (340), 230 states have internal predecessors, (340), 72 states have call successors, (72), 15 states have call predecessors, (72), 15 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 04:37:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 483 transitions. [2024-11-09 04:37:29,067 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 483 transitions. Word has length 71 [2024-11-09 04:37:29,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:29,067 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 483 transitions. [2024-11-09 04:37:29,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 04:37:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 483 transitions. [2024-11-09 04:37:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:37:29,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:29,071 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:29,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 04:37:29,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:37:29,272 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:29,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:29,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1103884798, now seen corresponding path program 1 times [2024-11-09 04:37:29,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:37:29,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815344673] [2024-11-09 04:37:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:37:29,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:37:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815344673] [2024-11-09 04:37:29,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815344673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:37:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509700324] [2024-11-09 04:37:29,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:29,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:37:29,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:37:29,476 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:37:29,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 04:37:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:37:29,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:37:29,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:37:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:37:29,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509700324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:37:29,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [936199787] [2024-11-09 04:37:29,941 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-09 04:37:29,941 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:37:29,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:37:29,945 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:37:29,945 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:38:28,457 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:38:28,652 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 463 for LOIs [2024-11-09 04:38:29,780 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 408 for LOIs [2024-11-09 04:38:30,240 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 04:38:30,438 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 472 for LOIs [2024-11-09 04:38:31,590 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:39:36,709 WARN L286 SmtUtils]: Spent 14.17s on a formula simplification. DAG size of input: 496 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:39:51,513 WARN L286 SmtUtils]: Spent 13.86s on a formula simplification. DAG size of input: 497 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:15,161 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 477 DAG size of output: 477 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:21,226 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 482 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:27,130 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 472 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:38,722 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 472 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:45,419 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 463 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:51,687 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 463 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:58,180 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 463 DAG size of output: 459 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:40:58,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [936199787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:40:58,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:40:58,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 04:40:58,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067134264] [2024-11-09 04:40:58,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:40:58,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 04:40:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:40:58,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 04:40:58,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:40:58,189 INFO L87 Difference]: Start difference. First operand 317 states and 483 transitions. Second operand has 33 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 04:41:15,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:15,930 INFO L93 Difference]: Finished difference Result 639 states and 1002 transitions. [2024-11-09 04:41:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 04:41:15,931 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) Word has length 74 [2024-11-09 04:41:15,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:15,935 INFO L225 Difference]: With dead ends: 639 [2024-11-09 04:41:15,935 INFO L226 Difference]: Without dead ends: 399 [2024-11-09 04:41:15,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 150.1s TimeCoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 04:41:15,938 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 75 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:15,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 2098 Invalid, 2420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2410 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-09 04:41:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-09 04:41:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 353. [2024-11-09 04:41:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 259 states have (on average 1.4749034749034748) internal successors, (382), 260 states have internal predecessors, (382), 75 states have call successors, (75), 18 states have call predecessors, (75), 18 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-09 04:41:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 531 transitions. [2024-11-09 04:41:16,117 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 531 transitions. Word has length 74 [2024-11-09 04:41:16,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:16,118 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 531 transitions. [2024-11-09 04:41:16,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 18 states have internal predecessors, (35), 10 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (15), 10 states have call predecessors, (15), 10 states have call successors, (15) [2024-11-09 04:41:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 531 transitions. [2024-11-09 04:41:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 04:41:16,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:16,121 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:41:16,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:41:16,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:16,322 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:16,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1148069542, now seen corresponding path program 1 times [2024-11-09 04:41:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:16,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235536332] [2024-11-09 04:41:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:41:16,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:41:16,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235536332] [2024-11-09 04:41:16,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235536332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:41:16,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651403626] [2024-11-09 04:41:16,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:16,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:16,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:16,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:41:16,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 04:41:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:16,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:41:16,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:41:16,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:41:16,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651403626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1051634859] [2024-11-09 04:41:16,983 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-09 04:41:16,983 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:41:16,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:41:16,984 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:41:16,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:42:00,568 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:42:00,701 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 237 for LOIs [2024-11-09 04:42:00,995 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:43:09,632 WARN L286 SmtUtils]: Spent 11.02s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:43:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1051634859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:45,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:43:45,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 04:43:45,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561487304] [2024-11-09 04:43:45,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:45,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 04:43:45,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 04:43:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2024-11-09 04:43:45,611 INFO L87 Difference]: Start difference. First operand 353 states and 531 transitions. Second operand has 27 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:43:57,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:57,922 INFO L93 Difference]: Finished difference Result 641 states and 993 transitions. [2024-11-09 04:43:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 04:43:57,923 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) Word has length 73 [2024-11-09 04:43:57,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:57,927 INFO L225 Difference]: With dead ends: 641 [2024-11-09 04:43:57,927 INFO L226 Difference]: Without dead ends: 401 [2024-11-09 04:43:57,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 108.2s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 04:43:57,929 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 17 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:57,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1530 Invalid, 1672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-09 04:43:57,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-09 04:43:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 373. [2024-11-09 04:43:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 279 states have (on average 1.4767025089605734) internal successors, (412), 280 states have internal predecessors, (412), 75 states have call successors, (75), 18 states have call predecessors, (75), 18 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-09 04:43:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 561 transitions. [2024-11-09 04:43:58,130 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 561 transitions. Word has length 73 [2024-11-09 04:43:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:58,131 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 561 transitions. [2024-11-09 04:43:58,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 7 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-09 04:43:58,133 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 561 transitions. [2024-11-09 04:43:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 04:43:58,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:58,139 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, 1, 1, 1, 1] [2024-11-09 04:43:58,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:43:58,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 04:43:58,340 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:43:58,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2141011416, now seen corresponding path program 1 times [2024-11-09 04:43:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:58,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625289768] [2024-11-09 04:43:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 04:43:58,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:58,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625289768] [2024-11-09 04:43:58,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625289768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:43:58,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207272256] [2024-11-09 04:43:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:58,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:43:58,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:43:58,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:43:58,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 04:43:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:58,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:43:58,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:43:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:43:58,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:43:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:43:59,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207272256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:43:59,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [860474184] [2024-11-09 04:43:59,054 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2024-11-09 04:43:59,055 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:43:59,055 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:43:59,056 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:43:59,056 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:44:37,898 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 04:44:38,037 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 417 for LOIs [2024-11-09 04:44:39,414 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:45:06,387 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 417 DAG size of output: 418 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:45:18,942 WARN L286 SmtUtils]: Spent 11.97s on a formula simplification. DAG size of input: 441 DAG size of output: 437 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:46:13,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [860474184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:13,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:46:13,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [6, 5, 5] total 36 [2024-11-09 04:46:13,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641835486] [2024-11-09 04:46:13,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:13,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 04:46:13,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:13,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 04:46:13,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1150, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 04:46:13,319 INFO L87 Difference]: Start difference. First operand 373 states and 561 transitions. Second operand has 28 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 04:46:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:28,705 INFO L93 Difference]: Finished difference Result 773 states and 1217 transitions. [2024-11-09 04:46:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 04:46:28,706 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) Word has length 76 [2024-11-09 04:46:28,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:28,709 INFO L225 Difference]: With dead ends: 773 [2024-11-09 04:46:28,709 INFO L226 Difference]: Without dead ends: 493 [2024-11-09 04:46:28,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 97.7s TimeCoverageRelationStatistics Valid=129, Invalid=1277, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 04:46:28,711 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 93 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:28,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 2304 Invalid, 2634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-09 04:46:28,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-09 04:46:28,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 386. [2024-11-09 04:46:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 289 states have (on average 1.4740484429065743) internal successors, (426), 291 states have internal predecessors, (426), 77 states have call successors, (77), 19 states have call predecessors, (77), 19 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-09 04:46:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 579 transitions. [2024-11-09 04:46:28,923 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 579 transitions. Word has length 76 [2024-11-09 04:46:28,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:28,924 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 579 transitions. [2024-11-09 04:46:28,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 8 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 8 states have call successors, (13) [2024-11-09 04:46:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 579 transitions. [2024-11-09 04:46:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 04:46:28,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:28,927 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:28,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:46:29,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:29,128 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:29,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:29,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1620308975, now seen corresponding path program 1 times [2024-11-09 04:46:29,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:29,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910743783] [2024-11-09 04:46:29,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:29,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 04:46:29,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:29,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910743783] [2024-11-09 04:46:29,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910743783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:46:29,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940485343] [2024-11-09 04:46:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:29,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:46:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:29,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:46:29,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8923b064-a8c4-48e0-9318-5c0a6f6f5062/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:46:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:29,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:46:29,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:46:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:46:29,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:46:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:46:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940485343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:46:29,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [697462358] [2024-11-09 04:46:29,980 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2024-11-09 04:46:29,980 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:46:29,980 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:46:29,980 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:46:29,981 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs