./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/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_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/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_80b3a264-e573-4164-a900-86e5df066057/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 b453d764da4cb622a1911439b5a79bae9155e32b42a83c5d4472e5a8d62a8d39 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:23:46,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:23:46,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:23:46,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:23:46,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:23:46,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:23:46,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:23:46,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:23:46,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:23:46,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:23:46,729 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:23:46,729 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:23:46,730 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:23:46,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:23:46,731 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:23:46,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:23:46,734 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:23:46,736 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:23:46,737 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:23:46,737 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:23:46,737 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:23:46,741 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:23:46,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:23:46,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:23:46,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:23:46,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:23:46,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:23:46,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:23:46,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:23:46,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:23:46,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:23:46,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:23:46,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:23:46,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:23:46,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:23:46,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:23:46,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:23:46,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:23:46,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:23:46,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:23:46,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:23:46,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:23:46,748 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:23:46,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:23:46,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:23:46,749 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:23:46,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:23:46,749 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_80b3a264-e573-4164-a900-86e5df066057/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b453d764da4cb622a1911439b5a79bae9155e32b42a83c5d4472e5a8d62a8d39 [2024-11-09 01:23:46,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:23:47,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:23:47,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:23:47,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:23:47,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:23:47,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c Unable to find full path for "g++" [2024-11-09 01:23:48,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:23:49,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:23:49,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2024-11-09 01:23:49,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/data/dab7b4fba/32687762da7f482a9893029b9c64a091/FLAGaa146f4dc [2024-11-09 01:23:49,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/data/dab7b4fba/32687762da7f482a9893029b9c64a091 [2024-11-09 01:23:49,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:23:49,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:23:49,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:23:49,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:23:49,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:23:49,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:23:49" (1/1) ... [2024-11-09 01:23:49,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196abb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:49, skipping insertion in model container [2024-11-09 01:23:49,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:23:49" (1/1) ... [2024-11-09 01:23:49,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:23:50,163 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_80b3a264-e573-4164-a900-86e5df066057/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c[25283,25296] [2024-11-09 01:23:50,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:23:50,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:23:50,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-09 01:23:50,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [460] [2024-11-09 01:23:50,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [689] [2024-11-09 01:23:50,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1036] [2024-11-09 01:23:50,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1332] [2024-11-09 01:23:50,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1341] [2024-11-09 01:23:50,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1707] [2024-11-09 01:23:50,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1803] [2024-11-09 01:23:50,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1822] [2024-11-09 01:23:50,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1857] [2024-11-09 01:23:50,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2922] [2024-11-09 01:23:50,467 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_80b3a264-e573-4164-a900-86e5df066057/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c[25283,25296] [2024-11-09 01:23:50,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:23:50,608 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:23:50,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50 WrapperNode [2024-11-09 01:23:50,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:23:50,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:23:50,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:23:50,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:23:50,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,728 INFO L138 Inliner]: procedures = 130, calls = 192, calls flagged for inlining = 64, calls inlined = 59, statements flattened = 1054 [2024-11-09 01:23:50,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:23:50,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:23:50,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:23:50,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:23:50,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:23:50,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:23:50,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:23:50,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:23:50,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (1/1) ... [2024-11-09 01:23:50,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:23:50,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:23:50,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:23:50,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:23:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 01:23:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 01:23:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 01:23:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 01:23:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 01:23:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 01:23:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 01:23:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 01:23:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 01:23:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 01:23:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 01:23:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 01:23:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 01:23:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 01:23:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-09 01:23:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-09 01:23:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 01:23:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 01:23:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:23:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 01:23:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 01:23:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 01:23:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 01:23:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 01:23:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 01:23:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 01:23:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 01:23:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 01:23:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 01:23:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 01:23:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 01:23:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 01:23:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 01:23:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:23:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 01:23:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 01:23:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:23:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:23:51,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:23:51,128 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:23:52,024 INFO L? ?]: Removed 457 outVars from TransFormulas that were not future-live. [2024-11-09 01:23:52,024 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:23:52,713 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:23:52,714 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:23:52,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:52 BoogieIcfgContainer [2024-11-09 01:23:52,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:23:52,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:23:52,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:23:52,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:23:52,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:23:49" (1/3) ... [2024-11-09 01:23:52,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b5f569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:23:52, skipping insertion in model container [2024-11-09 01:23:52,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:23:50" (2/3) ... [2024-11-09 01:23:52,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b5f569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:23:52, skipping insertion in model container [2024-11-09 01:23:52,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:52" (3/3) ... [2024-11-09 01:23:52,724 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2024-11-09 01:23:52,744 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:23:52,744 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:23:52,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:23:52,837 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;@1448f452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:23:52,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:23:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 96 states have (on average 1.34375) internal successors, (129), 98 states have internal predecessors, (129), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 01:23:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 01:23:52,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:52,858 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] [2024-11-09 01:23:52,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:23:52,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:52,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1800422569, now seen corresponding path program 1 times [2024-11-09 01:23:52,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:52,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592900497] [2024-11-09 01:23:52,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:52,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:23:53,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:53,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592900497] [2024-11-09 01:23:53,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592900497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:53,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:53,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:23:53,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863782061] [2024-11-09 01:23:53,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:53,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:23:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:53,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:23:53,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:23:53,417 INFO L87 Difference]: Start difference. First operand has 161 states, 96 states have (on average 1.34375) internal successors, (129), 98 states have internal predecessors, (129), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 01:23:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:53,572 INFO L93 Difference]: Finished difference Result 239 states and 320 transitions. [2024-11-09 01:23:53,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:23:53,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 66 [2024-11-09 01:23:53,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:53,589 INFO L225 Difference]: With dead ends: 239 [2024-11-09 01:23:53,590 INFO L226 Difference]: Without dead ends: 158 [2024-11-09 01:23:53,596 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 01:23:53,599 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:53,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:53,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-09 01:23:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-09 01:23:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 95 states have internal predecessors, (123), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 01:23:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 214 transitions. [2024-11-09 01:23:53,679 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 214 transitions. Word has length 66 [2024-11-09 01:23:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:53,683 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 214 transitions. [2024-11-09 01:23:53,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 01:23:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2024-11-09 01:23:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 01:23:53,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:53,691 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] [2024-11-09 01:23:53,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:23:53,692 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:23:53,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1013982061, now seen corresponding path program 1 times [2024-11-09 01:23:53,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:53,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934972149] [2024-11-09 01:23:53,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:23:53,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:53,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934972149] [2024-11-09 01:23:53,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934972149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:53,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:53,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:23:53,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928946747] [2024-11-09 01:23:53,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:53,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:53,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:53,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:53,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:53,997 INFO L87 Difference]: Start difference. First operand 158 states and 214 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, (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 01:23:54,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:54,150 INFO L93 Difference]: Finished difference Result 235 states and 308 transitions. [2024-11-09 01:23:54,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:54,151 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, (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 67 [2024-11-09 01:23:54,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:54,155 INFO L225 Difference]: With dead ends: 235 [2024-11-09 01:23:54,156 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 01:23:54,159 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 01:23:54,161 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:54,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 365 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 01:23:54,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-09 01:23:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 96 states have (on average 1.3020833333333333) internal successors, (125), 97 states have internal predecessors, (125), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 01:23:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 216 transitions. [2024-11-09 01:23:54,193 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 216 transitions. Word has length 67 [2024-11-09 01:23:54,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:54,193 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 216 transitions. [2024-11-09 01:23:54,193 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, (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 01:23:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 216 transitions. [2024-11-09 01:23:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 01:23:54,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:54,199 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:23:54,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:23:54,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:23:54,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1490728108, now seen corresponding path program 1 times [2024-11-09 01:23:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:54,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24819115] [2024-11-09 01:23:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:54,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:23:54,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:54,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24819115] [2024-11-09 01:23:54,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24819115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:23:54,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:23:54,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:23:54,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448003008] [2024-11-09 01:23:54,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:23:54,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:23:54,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:23:54,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:23:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:23:54,431 INFO L87 Difference]: Start difference. First operand 160 states and 216 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (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 01:23:54,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:23:54,586 INFO L93 Difference]: Finished difference Result 350 states and 491 transitions. [2024-11-09 01:23:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:23:54,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (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 72 [2024-11-09 01:23:54,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:23:54,595 INFO L225 Difference]: With dead ends: 350 [2024-11-09 01:23:54,595 INFO L226 Difference]: Without dead ends: 208 [2024-11-09 01:23:54,596 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 01:23:54,597 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 57 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:23:54,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 377 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:23:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-09 01:23:54,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 203. [2024-11-09 01:23:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 128 states have (on average 1.390625) internal successors, (178), 129 states have internal predecessors, (178), 57 states have call successors, (57), 17 states have call predecessors, (57), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 01:23:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 291 transitions. [2024-11-09 01:23:54,633 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 291 transitions. Word has length 72 [2024-11-09 01:23:54,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:23:54,635 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 291 transitions. [2024-11-09 01:23:54,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (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 01:23:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 291 transitions. [2024-11-09 01:23:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 01:23:54,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:54,642 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:23:54,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:23:54,642 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:23:54,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:54,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1277484592, now seen corresponding path program 1 times [2024-11-09 01:23:54,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:54,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643430279] [2024-11-09 01:23:54,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:23:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:23:54,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:23:54,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643430279] [2024-11-09 01:23:54,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643430279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:23:54,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310446330] [2024-11-09 01:23:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:54,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:23:54,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:23:54,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:23:54,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:23:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:23:55,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:23:55,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:23:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:23:55,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:23:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:23:55,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310446330] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:23:55,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1676209408] [2024-11-09 01:23:55,649 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2024-11-09 01:23:55,650 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:23:55,654 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:23:55,660 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:23:55,662 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:24:29,651 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 01:24:29,861 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 01:24:30,051 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:25:28,675 WARN L286 SmtUtils]: Spent 10.24s on a formula simplification. DAG size of input: 451 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:25:39,710 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 452 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:25:46,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1676209408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:46,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:25:46,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2024-11-09 01:25:46,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049652735] [2024-11-09 01:25:46,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:46,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 01:25:46,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:46,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 01:25:46,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2024-11-09 01:25:46,777 INFO L87 Difference]: Start difference. First operand 203 states and 291 transitions. Second operand has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 01:26:02,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:02,892 INFO L93 Difference]: Finished difference Result 420 states and 618 transitions. [2024-11-09 01:26:02,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 01:26:02,893 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 73 [2024-11-09 01:26:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:02,896 INFO L225 Difference]: With dead ends: 420 [2024-11-09 01:26:02,897 INFO L226 Difference]: Without dead ends: 235 [2024-11-09 01:26:02,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 85.2s TimeCoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-09 01:26:02,899 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 53 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 1584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:02,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2373 Invalid, 1584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2024-11-09 01:26:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-09 01:26:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 226. [2024-11-09 01:26:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 150 states have (on average 1.4066666666666667) internal successors, (211), 151 states have internal predecessors, (211), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-09 01:26:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 324 transitions. [2024-11-09 01:26:02,985 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 324 transitions. Word has length 73 [2024-11-09 01:26:02,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:02,986 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 324 transitions. [2024-11-09 01:26:02,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 01:26:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 324 transitions. [2024-11-09 01:26:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 01:26:02,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:02,989 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:26:03,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:26:03,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:26:03,190 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:26:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash 229664331, now seen corresponding path program 1 times [2024-11-09 01:26:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395540445] [2024-11-09 01:26:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:26:03,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:03,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395540445] [2024-11-09 01:26:03,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395540445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:26:03,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:26:03,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:26:03,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199319863] [2024-11-09 01:26:03,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:26:03,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:26:03,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:26:03,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:26:03,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:26:03,324 INFO L87 Difference]: Start difference. First operand 226 states and 324 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 01:26:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:26:03,524 INFO L93 Difference]: Finished difference Result 545 states and 812 transitions. [2024-11-09 01:26:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:26:03,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 78 [2024-11-09 01:26:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:26:03,527 INFO L225 Difference]: With dead ends: 545 [2024-11-09 01:26:03,527 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 01:26:03,528 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 01:26:03,529 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 55 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:26:03,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 382 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:26:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 01:26:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 338. [2024-11-09 01:26:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 237 states have (on average 1.4641350210970465) internal successors, (347), 238 states have internal predecessors, (347), 82 states have call successors, (82), 18 states have call predecessors, (82), 18 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 01:26:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 510 transitions. [2024-11-09 01:26:03,638 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 510 transitions. Word has length 78 [2024-11-09 01:26:03,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:26:03,638 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 510 transitions. [2024-11-09 01:26:03,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 01:26:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 510 transitions. [2024-11-09 01:26:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 01:26:03,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:26:03,645 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:26:03,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 01:26:03,645 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:26:03,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:26:03,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1213299556, now seen corresponding path program 1 times [2024-11-09 01:26:03,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:26:03,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397952470] [2024-11-09 01:26:03,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:03,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:26:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:26:03,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:26:03,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397952470] [2024-11-09 01:26:03,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397952470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:26:03,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842247804] [2024-11-09 01:26:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:26:03,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:26:03,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:26:03,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:26:03,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:26:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:26:04,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:26:04,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:26:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:26:04,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:26:04,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:26:04,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842247804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:26:04,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [92111405] [2024-11-09 01:26:04,356 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2024-11-09 01:26:04,356 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:26:04,357 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:26:04,357 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:26:04,357 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:26:41,379 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 01:26:41,537 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 431 for LOIs [2024-11-09 01:26:42,827 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:27:05,581 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:27:17,126 WARN L286 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 455 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:28:02,952 WARN L286 SmtUtils]: Spent 12.14s on a formula simplification. DAG size of input: 452 DAG size of output: 452 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:28:14,972 WARN L286 SmtUtils]: Spent 10.81s on a formula simplification. DAG size of input: 453 DAG size of output: 452 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:28:37,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [92111405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:28:37,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:28:37,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-09 01:28:37,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536127993] [2024-11-09 01:28:37,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:28:37,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 01:28:37,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:28:37,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 01:28:37,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=888, Unknown=0, NotChecked=0, Total=992 [2024-11-09 01:28:37,360 INFO L87 Difference]: Start difference. First operand 338 states and 510 transitions. Second operand has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 01:28:44,672 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 460 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:28:50,632 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 460 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:29:04,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:29:04,182 INFO L93 Difference]: Finished difference Result 686 states and 1061 transitions. [2024-11-09 01:29:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 01:29:04,183 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 79 [2024-11-09 01:29:04,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:29:04,185 INFO L225 Difference]: With dead ends: 686 [2024-11-09 01:29:04,185 INFO L226 Difference]: Without dead ends: 411 [2024-11-09 01:29:04,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 129.9s TimeCoverageRelationStatistics Valid=125, Invalid=1065, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 01:29:04,188 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 67 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:29:04,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 2478 Invalid, 2070 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2058 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2024-11-09 01:29:04,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-09 01:29:04,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 352. [2024-11-09 01:29:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 249 states have (on average 1.461847389558233) internal successors, (364), 250 states have internal predecessors, (364), 83 states have call successors, (83), 19 states have call predecessors, (83), 19 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-09 01:29:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 529 transitions. [2024-11-09 01:29:04,301 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 529 transitions. Word has length 79 [2024-11-09 01:29:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:29:04,302 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 529 transitions. [2024-11-09 01:29:04,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 17 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-09 01:29:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 529 transitions. [2024-11-09 01:29:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 01:29:04,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:29:04,305 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:29:04,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 01:29:04,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:29:04,506 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:29:04,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:29:04,507 INFO L85 PathProgramCache]: Analyzing trace with hash 539841920, now seen corresponding path program 1 times [2024-11-09 01:29:04,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:29:04,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075499487] [2024-11-09 01:29:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:29:04,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:29:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:29:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:29:04,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:29:04,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075499487] [2024-11-09 01:29:04,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075499487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:29:04,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684858051] [2024-11-09 01:29:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:29:04,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:29:04,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:29:04,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:29:04,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:29:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:29:05,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:29:05,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:29:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:29:05,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:29:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:29:05,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684858051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:29:05,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1150448696] [2024-11-09 01:29:05,218 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-09 01:29:05,219 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:29:05,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:29:05,219 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:29:05,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:30:22,374 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 01:30:22,561 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 477 for LOIs [2024-11-09 01:30:23,989 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 422 for LOIs [2024-11-09 01:30:24,496 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 01:30:24,649 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 486 for LOIs [2024-11-09 01:30:26,100 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:31:38,668 WARN L286 SmtUtils]: Spent 15.12s on a formula simplification. DAG size of input: 510 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:31:55,802 WARN L286 SmtUtils]: Spent 16.30s on a formula simplification. DAG size of input: 511 DAG size of output: 505 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:21,009 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 491 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:28,880 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 496 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:36,266 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:43,073 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:49,518 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 486 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:55,778 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:33:02,406 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:33:08,570 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 477 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:33:08,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1150448696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:33:08,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:33:08,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-09 01:33:08,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139199507] [2024-11-09 01:33:08,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:33:08,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 01:33:08,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:33:08,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 01:33:08,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 01:33:08,583 INFO L87 Difference]: Start difference. First operand 352 states and 529 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 01:33:26,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:33:26,406 INFO L93 Difference]: Finished difference Result 709 states and 1094 transitions. [2024-11-09 01:33:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 01:33:26,407 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 82 [2024-11-09 01:33:26,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:33:26,411 INFO L225 Difference]: With dead ends: 709 [2024-11-09 01:33:26,411 INFO L226 Difference]: Without dead ends: 434 [2024-11-09 01:33:26,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 162.5s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 01:33:26,414 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 50 mSDsluCounter, 3092 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3255 SdHoareTripleChecker+Invalid, 3185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:33:26,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3255 Invalid, 3185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3176 Invalid, 0 Unknown, 0 Unchecked, 17.5s Time] [2024-11-09 01:33:26,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-09 01:33:26,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 388. [2024-11-09 01:33:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 279 states have (on average 1.4551971326164874) internal successors, (406), 280 states have internal predecessors, (406), 86 states have call successors, (86), 22 states have call predecessors, (86), 22 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-09 01:33:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 577 transitions. [2024-11-09 01:33:26,569 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 577 transitions. Word has length 82 [2024-11-09 01:33:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:33:26,570 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 577 transitions. [2024-11-09 01:33:26,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2024-11-09 01:33:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 577 transitions. [2024-11-09 01:33:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 01:33:26,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:33:26,574 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:33:26,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 01:33:26,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:33:26,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:33:26,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:33:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash -413590978, now seen corresponding path program 1 times [2024-11-09 01:33:26,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:33:26,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719170030] [2024-11-09 01:33:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:33:26,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:33:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:33:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:33:26,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:33:26,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719170030] [2024-11-09 01:33:26,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719170030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:33:26,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579592657] [2024-11-09 01:33:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:33:26,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:33:26,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:33:26,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:33:26,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 01:33:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:33:27,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:33:27,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:33:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:33:27,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:33:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:33:27,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579592657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:33:27,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1353885567] [2024-11-09 01:33:27,539 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2024-11-09 01:33:27,539 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:33:27,540 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:33:27,540 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:33:27,540 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:34:21,148 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 01:34:21,380 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2024-11-09 01:34:21,600 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:35:28,766 WARN L286 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 451 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:35:42,227 WARN L286 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 452 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:36:11,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1353885567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:36:11,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:36:11,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [4, 4, 4] total 34 [2024-11-09 01:36:11,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356322912] [2024-11-09 01:36:11,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:36:11,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-09 01:36:11,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:36:11,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-09 01:36:11,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 01:36:11,848 INFO L87 Difference]: Start difference. First operand 388 states and 577 transitions. Second operand has 29 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 01:36:20,475 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 463 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:36:39,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:36:39,495 INFO L93 Difference]: Finished difference Result 711 states and 1085 transitions. [2024-11-09 01:36:39,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 01:36:39,496 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 81 [2024-11-09 01:36:39,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:36:39,500 INFO L225 Difference]: With dead ends: 711 [2024-11-09 01:36:39,500 INFO L226 Difference]: Without dead ends: 436 [2024-11-09 01:36:39,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 210 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 126.7s TimeCoverageRelationStatistics Valid=144, Invalid=1188, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 01:36:39,503 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 23 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-09 01:36:39,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2784 Invalid, 2179 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2024-11-09 01:36:39,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-09 01:36:39,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 408. [2024-11-09 01:36:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 299 states have (on average 1.4581939799331103) internal successors, (436), 300 states have internal predecessors, (436), 86 states have call successors, (86), 22 states have call predecessors, (86), 22 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-09 01:36:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 607 transitions. [2024-11-09 01:36:39,691 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 607 transitions. Word has length 81 [2024-11-09 01:36:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:36:39,691 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 607 transitions. [2024-11-09 01:36:39,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 01:36:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 607 transitions. [2024-11-09 01:36:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 01:36:39,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:36:39,696 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:36:39,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 01:36:39,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:36:39,900 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:36:39,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:36:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash -338846712, now seen corresponding path program 1 times [2024-11-09 01:36:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:36:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061511805] [2024-11-09 01:36:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:36:39,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:36:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:36:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 01:36:40,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:36:40,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061511805] [2024-11-09 01:36:40,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061511805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:36:40,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247062636] [2024-11-09 01:36:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:36:40,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:36:40,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:36:40,123 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:36:40,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b3a264-e573-4164-a900-86e5df066057/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:36:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:36:40,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:36:40,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:36:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:36:40,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:36:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:36:40,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247062636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:36:40,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [693585621] [2024-11-09 01:36:40,712 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2024-11-09 01:36:40,713 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:36:40,713 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:36:40,714 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:36:40,714 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:37:25,327 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 226 for LOIs [2024-11-09 01:37:25,465 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 433 for LOIs [2024-11-09 01:37:26,789 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:37:54,157 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification. DAG size of input: 433 DAG size of output: 433 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:38:06,803 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification. DAG size of input: 457 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)