./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E --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 b1bbd85396e3eb1de7562114efc1b104d28592355874c6166c296894ed6f999d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:45:24,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:45:24,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:45:24,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:45:24,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:45:24,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:45:24,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:45:24,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:45:24,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:45:24,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:45:24,645 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:45:24,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:45:24,646 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:45:24,646 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:45:24,646 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:45:24,646 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:45:24,647 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:45:24,647 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:45:24,647 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:45:24,647 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:45:24,648 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:45:24,648 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:45:24,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:45:24,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:45:24,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:45:24,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:45:24,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:45:24,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:45:24,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:45:24,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:45:24,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:45:24,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:45:24,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:45:24,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:45:24,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:45:24,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:45:24,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:45:24,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:45:24,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:45:24,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:45:24,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:45:24,652 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E 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 -> b1bbd85396e3eb1de7562114efc1b104d28592355874c6166c296894ed6f999d [2024-11-14 03:45:25,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:45:25,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:45:25,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:45:25,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:45:25,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:45:25,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c Unable to find full path for "g++" [2024-11-14 03:45:27,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:45:28,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:45:28,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2024-11-14 03:45:28,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/data/f35801b1e/2fd7323176684972ab0fdd3979eb6251/FLAG5e08eb79a [2024-11-14 03:45:28,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/data/f35801b1e/2fd7323176684972ab0fdd3979eb6251 [2024-11-14 03:45:28,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:45:28,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:45:28,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:45:28,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:45:28,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:45:28,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:45:28" (1/1) ... [2024-11-14 03:45:28,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c635912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:28, skipping insertion in model container [2024-11-14 03:45:28,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:45:28" (1/1) ... [2024-11-14 03:45:28,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:45:29,008 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_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c[44955,44968] [2024-11-14 03:45:29,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:45:29,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:45:29,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-14 03:45:29,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [460] [2024-11-14 03:45:29,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [750] [2024-11-14 03:45:29,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1824] [2024-11-14 03:45:29,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [2112] [2024-11-14 03:45:29,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2155] [2024-11-14 03:45:29,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2164] [2024-11-14 03:45:29,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2268] [2024-11-14 03:45:29,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2484] [2024-11-14 03:45:29,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2501] [2024-11-14 03:45:29,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2867] [2024-11-14 03:45:29,362 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_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c[44955,44968] [2024-11-14 03:45:29,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:45:29,482 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:45:29,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29 WrapperNode [2024-11-14 03:45:29,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:45:29,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:45:29,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:45:29,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:45:29,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,605 INFO L138 Inliner]: procedures = 126, calls = 185, calls flagged for inlining = 55, calls inlined = 46, statements flattened = 891 [2024-11-14 03:45:29,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:45:29,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:45:29,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:45:29,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:45:29,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:45:29,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:45:29,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:45:29,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:45:29,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (1/1) ... [2024-11-14 03:45:29,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:45:29,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:45:29,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:45:29,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:45:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-14 03:45:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-14 03:45:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-14 03:45:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-14 03:45:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-14 03:45:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-14 03:45:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-14 03:45:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-14 03:45:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-14 03:45:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-14 03:45:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-14 03:45:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-14 03:45:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-14 03:45:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-14 03:45:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-14 03:45:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-14 03:45:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-14 03:45:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-14 03:45:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:45:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-14 03:45:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-14 03:45:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-14 03:45:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-14 03:45:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-14 03:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-14 03:45:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-14 03:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-14 03:45:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-14 03:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-14 03:45:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-14 03:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-14 03:45:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-14 03:45:29,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-14 03:45:29,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:45:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-14 03:45:29,842 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-14 03:45:29,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:45:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:45:30,174 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:45:30,177 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:45:31,478 INFO L? ?]: Removed 376 outVars from TransFormulas that were not future-live. [2024-11-14 03:45:31,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:45:32,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:45:32,341 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:45:32,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:45:32 BoogieIcfgContainer [2024-11-14 03:45:32,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:45:32,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:45:32,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:45:32,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:45:32,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:45:28" (1/3) ... [2024-11-14 03:45:32,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6655fb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:45:32, skipping insertion in model container [2024-11-14 03:45:32,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:45:29" (2/3) ... [2024-11-14 03:45:32,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6655fb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:45:32, skipping insertion in model container [2024-11-14 03:45:32,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:45:32" (3/3) ... [2024-11-14 03:45:32,357 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product15.cil.c [2024-11-14 03:45:32,385 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:45:32,389 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec8_product15.cil.c that has 18 procedures, 151 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:45:32,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:45:32,518 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;@d0a3386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:45:32,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:45:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 94 states have internal predecessors, (124), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-14 03:45:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 03:45:32,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:32,543 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:32,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:32,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:32,553 INFO L85 PathProgramCache]: Analyzing trace with hash 114872178, now seen corresponding path program 1 times [2024-11-14 03:45:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:45:32,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237575104] [2024-11-14 03:45:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:32,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:45:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:45:33,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:45:33,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237575104] [2024-11-14 03:45:33,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237575104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:45:33,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:45:33,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:45:33,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344293330] [2024-11-14 03:45:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:45:33,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:45:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:45:33,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:45:33,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:45:33,293 INFO L87 Difference]: Start difference. First operand has 151 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 94 states have internal predecessors, (124), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 03:45:33,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:45:33,481 INFO L93 Difference]: Finished difference Result 219 states and 294 transitions. [2024-11-14 03:45:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:45:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2024-11-14 03:45:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:45:33,504 INFO L225 Difference]: With dead ends: 219 [2024-11-14 03:45:33,504 INFO L226 Difference]: Without dead ends: 148 [2024-11-14 03:45:33,511 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 [2024-11-14 03:45:33,516 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:45:33,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:45:33,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-14 03:45:33,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-14 03:45:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 91 states have internal predecessors, (118), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-14 03:45:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 201 transitions. [2024-11-14 03:45:33,617 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 201 transitions. Word has length 56 [2024-11-14 03:45:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:45:33,618 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 201 transitions. [2024-11-14 03:45:33,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 03:45:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 201 transitions. [2024-11-14 03:45:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-14 03:45:33,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:33,626 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:33,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:45:33,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:33,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:33,627 INFO L85 PathProgramCache]: Analyzing trace with hash 26225111, now seen corresponding path program 1 times [2024-11-14 03:45:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:45:33,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667860617] [2024-11-14 03:45:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:33,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:45:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:45:34,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:45:34,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667860617] [2024-11-14 03:45:34,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667860617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:45:34,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:45:34,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:45:34,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632471687] [2024-11-14 03:45:34,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:45:34,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:45:34,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:45:34,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:45:34,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:45:34,097 INFO L87 Difference]: Start difference. First operand 148 states and 201 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 03:45:34,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:45:34,310 INFO L93 Difference]: Finished difference Result 215 states and 282 transitions. [2024-11-14 03:45:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:45:34,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2024-11-14 03:45:34,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:45:34,313 INFO L225 Difference]: With dead ends: 215 [2024-11-14 03:45:34,314 INFO L226 Difference]: Without dead ends: 150 [2024-11-14 03:45:34,317 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 [2024-11-14 03:45:34,318 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:45:34,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:45:34,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-14 03:45:34,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-14 03:45:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 93 states have internal predecessors, (120), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-14 03:45:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 203 transitions. [2024-11-14 03:45:34,354 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 203 transitions. Word has length 57 [2024-11-14 03:45:34,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:45:34,355 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 203 transitions. [2024-11-14 03:45:34,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 03:45:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2024-11-14 03:45:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 03:45:34,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:34,359 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:34,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:45:34,359 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:34,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:34,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1577901233, now seen corresponding path program 1 times [2024-11-14 03:45:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:45:34,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992252467] [2024-11-14 03:45:34,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:34,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:45:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:45:34,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:45:34,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992252467] [2024-11-14 03:45:34,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992252467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:45:34,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:45:34,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:45:34,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048194752] [2024-11-14 03:45:34,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:45:34,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:45:34,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:45:34,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:45:34,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:45:34,602 INFO L87 Difference]: Start difference. First operand 150 states and 203 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 03:45:34,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:45:34,778 INFO L93 Difference]: Finished difference Result 330 states and 465 transitions. [2024-11-14 03:45:34,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:45:34,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 62 [2024-11-14 03:45:34,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:45:34,781 INFO L225 Difference]: With dead ends: 330 [2024-11-14 03:45:34,781 INFO L226 Difference]: Without dead ends: 198 [2024-11-14 03:45:34,782 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 [2024-11-14 03:45:34,783 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 57 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:45:34,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 353 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:45:34,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-14 03:45:34,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193. [2024-11-14 03:45:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.4180327868852458) internal successors, (173), 125 states have internal predecessors, (173), 53 states have call successors, (53), 17 states have call predecessors, (53), 17 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-14 03:45:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 278 transitions. [2024-11-14 03:45:34,821 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 278 transitions. Word has length 62 [2024-11-14 03:45:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:45:34,825 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 278 transitions. [2024-11-14 03:45:34,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 03:45:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 278 transitions. [2024-11-14 03:45:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 03:45:34,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:45:34,832 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:45:34,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:45:34,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:45:34,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:45:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash 539598014, now seen corresponding path program 1 times [2024-11-14 03:45:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:45:34,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606878245] [2024-11-14 03:45:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:45:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:45:35,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:45:35,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606878245] [2024-11-14 03:45:35,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606878245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:45:35,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271090567] [2024-11-14 03:45:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:45:35,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:45:35,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:45:35,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:45:35,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:45:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:45:35,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:45:35,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:45:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:45:35,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:45:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:45:36,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271090567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:45:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [557338592] [2024-11-14 03:45:36,083 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2024-11-14 03:45:36,083 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:45:36,087 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:45:36,093 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:45:36,095 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:46:13,087 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 03:46:13,270 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 230 for LOIs [2024-11-14 03:46:13,470 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:47:27,552 WARN L286 SmtUtils]: Spent 12.75s on a formula simplification. DAG size of input: 453 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:47:41,483 WARN L286 SmtUtils]: Spent 12.76s on a formula simplification. DAG size of input: 454 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:47:55,517 WARN L286 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 458 DAG size of output: 457 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:48:01,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [557338592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:48:01,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:48:01,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [4, 4, 4] total 28 [2024-11-14 03:48:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226601170] [2024-11-14 03:48:01,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:48:01,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 03:48:01,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:48:01,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 03:48:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 03:48:01,652 INFO L87 Difference]: Start difference. First operand 193 states and 278 transitions. Second operand has 23 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-14 03:48:11,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:48:11,096 INFO L93 Difference]: Finished difference Result 400 states and 592 transitions. [2024-11-14 03:48:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 03:48:11,097 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 63 [2024-11-14 03:48:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:48:11,101 INFO L225 Difference]: With dead ends: 400 [2024-11-14 03:48:11,101 INFO L226 Difference]: Without dead ends: 225 [2024-11-14 03:48:11,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 108.2s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-14 03:48:11,104 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 25 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:48:11,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2194 Invalid, 1541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 03:48:11,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-14 03:48:11,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 216. [2024-11-14 03:48:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 144 states have (on average 1.4305555555555556) internal successors, (206), 147 states have internal predecessors, (206), 53 states have call successors, (53), 18 states have call predecessors, (53), 18 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-14 03:48:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 311 transitions. [2024-11-14 03:48:11,223 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 311 transitions. Word has length 63 [2024-11-14 03:48:11,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:48:11,224 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 311 transitions. [2024-11-14 03:48:11,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-14 03:48:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2024-11-14 03:48:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-14 03:48:11,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:11,227 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:48:11,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:48:11,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:48:11,432 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:11,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:11,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1063104502, now seen corresponding path program 1 times [2024-11-14 03:48:11,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:48:11,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344148842] [2024-11-14 03:48:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:48:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 03:48:11,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:48:11,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344148842] [2024-11-14 03:48:11,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344148842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:48:11,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:48:11,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:48:11,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214311497] [2024-11-14 03:48:11,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:48:11,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:48:11,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:48:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:48:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:48:11,572 INFO L87 Difference]: Start difference. First operand 216 states and 311 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:48:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:48:11,813 INFO L93 Difference]: Finished difference Result 525 states and 786 transitions. [2024-11-14 03:48:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:48:11,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 68 [2024-11-14 03:48:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:48:11,822 INFO L225 Difference]: With dead ends: 525 [2024-11-14 03:48:11,822 INFO L226 Difference]: Without dead ends: 333 [2024-11-14 03:48:11,826 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 [2024-11-14 03:48:11,827 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 55 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:48:11,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 355 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:48:11,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-14 03:48:11,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 328. [2024-11-14 03:48:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 231 states have (on average 1.4805194805194806) internal successors, (342), 234 states have internal predecessors, (342), 78 states have call successors, (78), 18 states have call predecessors, (78), 18 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-14 03:48:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 497 transitions. [2024-11-14 03:48:11,991 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 497 transitions. Word has length 68 [2024-11-14 03:48:11,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:48:11,991 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 497 transitions. [2024-11-14 03:48:11,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:48:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 497 transitions. [2024-11-14 03:48:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-14 03:48:11,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:48:11,998 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:48:11,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 03:48:11,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:48:11,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:48:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1929131542, now seen corresponding path program 1 times [2024-11-14 03:48:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:48:12,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45837677] [2024-11-14 03:48:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:12,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:48:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 03:48:12,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:48:12,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45837677] [2024-11-14 03:48:12,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45837677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:48:12,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159256938] [2024-11-14 03:48:12,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:48:12,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:48:12,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:48:12,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:48:12,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:48:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:48:12,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:48:12,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:48:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 03:48:12,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:48:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 03:48:12,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159256938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:48:12,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1842478733] [2024-11-14 03:48:12,870 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2024-11-14 03:48:12,871 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:48:12,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:48:12,874 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:48:12,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:48:53,664 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 03:48:53,804 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 248 for LOIs [2024-11-14 03:48:54,021 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:50:04,237 WARN L286 SmtUtils]: Spent 11.83s on a formula simplification. DAG size of input: 454 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:50:17,903 WARN L286 SmtUtils]: Spent 12.45s on a formula simplification. DAG size of input: 455 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:50:30,694 WARN L286 SmtUtils]: Spent 11.70s on a formula simplification. DAG size of input: 459 DAG size of output: 458 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:50:44,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1842478733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:50:44,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:50:44,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [4, 4, 4] total 32 [2024-11-14 03:50:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212716716] [2024-11-14 03:50:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:50:44,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 03:50:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:50:44,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 03:50:44,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2024-11-14 03:50:44,051 INFO L87 Difference]: Start difference. First operand 328 states and 497 transitions. Second operand has 27 states, 18 states have (on average 2.0) internal successors, (36), 17 states have internal predecessors, (36), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-14 03:51:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:51:11,118 INFO L93 Difference]: Finished difference Result 668 states and 1037 transitions. [2024-11-14 03:51:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 03:51:11,119 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 2.0) internal successors, (36), 17 states have internal predecessors, (36), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 69 [2024-11-14 03:51:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:51:11,123 INFO L225 Difference]: With dead ends: 668 [2024-11-14 03:51:11,123 INFO L226 Difference]: Without dead ends: 403 [2024-11-14 03:51:11,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 126.6s TimeCoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 03:51:11,126 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 66 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:51:11,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 2436 Invalid, 2152 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-14 03:51:11,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-14 03:51:11,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 342. [2024-11-14 03:51:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 243 states have (on average 1.477366255144033) internal successors, (359), 246 states have internal predecessors, (359), 79 states have call successors, (79), 19 states have call predecessors, (79), 19 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-14 03:51:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 516 transitions. [2024-11-14 03:51:11,251 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 516 transitions. Word has length 69 [2024-11-14 03:51:11,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:51:11,251 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 516 transitions. [2024-11-14 03:51:11,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 2.0) internal successors, (36), 17 states have internal predecessors, (36), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-14 03:51:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 516 transitions. [2024-11-14 03:51:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 03:51:11,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:51:11,255 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:51:11,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 03:51:11,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:11,456 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:51:11,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:51:11,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1461824111, now seen corresponding path program 1 times [2024-11-14 03:51:11,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:51:11,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809461998] [2024-11-14 03:51:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:51:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:51:11,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:51:11,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809461998] [2024-11-14 03:51:11,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809461998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:51:11,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612815097] [2024-11-14 03:51:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:51:11,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:51:11,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:11,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:51:11,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:51:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:51:12,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:51:12,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:51:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:51:12,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:51:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:51:12,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612815097] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:51:12,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [377771100] [2024-11-14 03:51:12,221 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-14 03:51:12,221 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:51:12,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:51:12,222 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:51:12,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:52:20,716 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 03:52:20,841 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 529 for LOIs [2024-11-14 03:52:23,138 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 428 for LOIs [2024-11-14 03:52:23,490 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 230 for LOIs [2024-11-14 03:52:23,614 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 538 for LOIs [2024-11-14 03:52:26,106 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:53:32,571 WARN L286 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 512 DAG size of output: 507 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:53:46,991 WARN L286 SmtUtils]: Spent 13.54s on a formula simplification. DAG size of input: 513 DAG size of output: 507 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:09,390 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 493 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:17,686 WARN L286 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 544 DAG size of output: 536 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:25,490 WARN L286 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 538 DAG size of output: 530 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:33,426 WARN L286 SmtUtils]: Spent 7.51s on a formula simplification. DAG size of input: 538 DAG size of output: 530 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:41,552 WARN L286 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 534 DAG size of output: 526 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:49,599 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification. DAG size of input: 529 DAG size of output: 521 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:54:57,828 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 529 DAG size of output: 521 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:55:02,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [377771100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:55:02,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:55:02,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2024-11-14 03:55:02,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762770335] [2024-11-14 03:55:02,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:55:02,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 03:55:02,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:55:02,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 03:55:02,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:55:02,645 INFO L87 Difference]: Start difference. First operand 342 states and 516 transitions. Second operand has 33 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2024-11-14 03:55:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:55:21,446 INFO L93 Difference]: Finished difference Result 689 states and 1068 transitions. [2024-11-14 03:55:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 03:55:21,447 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) Word has length 72 [2024-11-14 03:55:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:55:21,450 INFO L225 Difference]: With dead ends: 689 [2024-11-14 03:55:21,451 INFO L226 Difference]: Without dead ends: 424 [2024-11-14 03:55:21,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 156.5s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:55:21,453 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 50 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 3120 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 3129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:55:21,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3117 Invalid, 3129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3120 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2024-11-14 03:55:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-14 03:55:21,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 378. [2024-11-14 03:55:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 273 states have (on average 1.468864468864469) internal successors, (401), 276 states have internal predecessors, (401), 82 states have call successors, (82), 22 states have call predecessors, (82), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-14 03:55:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 564 transitions. [2024-11-14 03:55:21,581 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 564 transitions. Word has length 72 [2024-11-14 03:55:21,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:55:21,582 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 564 transitions. [2024-11-14 03:55:21,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 1.894736842105263) internal successors, (36), 18 states have internal predecessors, (36), 10 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2024-11-14 03:55:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 564 transitions. [2024-11-14 03:55:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 03:55:21,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:55:21,585 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:55:21,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 03:55:21,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:55:21,785 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:55:21,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:55:21,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1713333897, now seen corresponding path program 1 times [2024-11-14 03:55:21,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:55:21,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932432825] [2024-11-14 03:55:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:55:21,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:55:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:55:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:55:21,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:55:21,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932432825] [2024-11-14 03:55:21,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932432825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:55:21,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52843035] [2024-11-14 03:55:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:55:21,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:55:21,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:55:21,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:55:21,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:55:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:55:22,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:55:22,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:55:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:55:22,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:55:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 03:55:22,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52843035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:55:22,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1557951277] [2024-11-14 03:55:22,495 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2024-11-14 03:55:22,495 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:55:22,496 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:55:22,496 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:55:22,496 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:56:01,991 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 03:56:02,106 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 230 for LOIs [2024-11-14 03:56:02,211 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:56:58,688 WARN L286 SmtUtils]: Spent 9.73s 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) [2024-11-14 03:57:09,447 WARN L286 SmtUtils]: Spent 9.94s 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) [2024-11-14 03:57:20,391 WARN L286 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 457 DAG size of output: 456 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:57:36,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1557951277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:57:36,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:57:36,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2024-11-14 03:57:36,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609997479] [2024-11-14 03:57:36,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:57:36,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 03:57:36,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:57:36,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 03:57:36,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=948, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 03:57:36,265 INFO L87 Difference]: Start difference. First operand 378 states and 564 transitions. Second operand has 28 states, 20 states have (on average 2.05) internal successors, (41), 19 states have internal predecessors, (41), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-14 03:57:44,102 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 461 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:57:50,151 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 461 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:57:56,496 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 461 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:58:07,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:58:07,127 INFO L93 Difference]: Finished difference Result 691 states and 1059 transitions. [2024-11-14 03:58:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-14 03:58:07,128 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 20 states have (on average 2.05) internal successors, (41), 19 states have internal predecessors, (41), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 71 [2024-11-14 03:58:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:58:07,131 INFO L225 Difference]: With dead ends: 691 [2024-11-14 03:58:07,131 INFO L226 Difference]: Without dead ends: 426 [2024-11-14 03:58:07,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 181 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 115.1s TimeCoverageRelationStatistics Valid=136, Invalid=1196, Unknown=0, NotChecked=0, Total=1332 [2024-11-14 03:58:07,133 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 23 mSDsluCounter, 2564 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 2448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:58:07,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2712 Invalid, 2448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-11-14 03:58:07,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-14 03:58:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 398. [2024-11-14 03:58:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 293 states have (on average 1.47098976109215) internal successors, (431), 296 states have internal predecessors, (431), 82 states have call successors, (82), 22 states have call predecessors, (82), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-14 03:58:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 594 transitions. [2024-11-14 03:58:07,275 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 594 transitions. Word has length 71 [2024-11-14 03:58:07,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:58:07,276 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 594 transitions. [2024-11-14 03:58:07,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 20 states have (on average 2.05) internal successors, (41), 19 states have internal predecessors, (41), 7 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-14 03:58:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 594 transitions. [2024-11-14 03:58:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-14 03:58:07,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:58:07,278 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:58:07,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:58:07,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:58:07,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:58:07,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:58:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash -983968061, now seen corresponding path program 1 times [2024-11-14 03:58:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:58:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574306649] [2024-11-14 03:58:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:58:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:58:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-14 03:58:07,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:58:07,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574306649] [2024-11-14 03:58:07,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574306649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:58:07,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:58:07,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:58:07,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965822880] [2024-11-14 03:58:07,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:58:07,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:58:07,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:58:07,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:58:07,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:58:07,646 INFO L87 Difference]: Start difference. First operand 398 states and 594 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:58:07,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:58:07,908 INFO L93 Difference]: Finished difference Result 483 states and 692 transitions. [2024-11-14 03:58:07,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:58:07,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-14 03:58:07,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:58:07,911 INFO L225 Difference]: With dead ends: 483 [2024-11-14 03:58:07,911 INFO L226 Difference]: Without dead ends: 420 [2024-11-14 03:58:07,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:58:07,913 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 119 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:58:07,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 222 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:58:07,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-14 03:58:08,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-14 03:58:08,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 305 states have (on average 1.4524590163934425) internal successors, (443), 308 states have internal predecessors, (443), 86 states have call successors, (86), 29 states have call predecessors, (86), 28 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-14 03:58:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 614 transitions. [2024-11-14 03:58:08,042 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 614 transitions. Word has length 74 [2024-11-14 03:58:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:58:08,043 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 614 transitions. [2024-11-14 03:58:08,043 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 03:58:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 614 transitions. [2024-11-14 03:58:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-14 03:58:08,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:58:08,045 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:58:08,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 03:58:08,046 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:58:08,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:58:08,046 INFO L85 PathProgramCache]: Analyzing trace with hash 632953540, now seen corresponding path program 1 times [2024-11-14 03:58:08,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:58:08,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783522535] [2024-11-14 03:58:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:08,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:58:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:58:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-14 03:58:08,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:58:08,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783522535] [2024-11-14 03:58:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783522535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:58:08,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:58:08,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:58:08,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9155963] [2024-11-14 03:58:08,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:58:08,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:58:08,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:58:08,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:58:08,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:58:08,328 INFO L87 Difference]: Start difference. First operand 420 states and 614 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-14 03:58:08,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:58:08,928 INFO L93 Difference]: Finished difference Result 522 states and 726 transitions. [2024-11-14 03:58:08,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:58:08,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 105 [2024-11-14 03:58:08,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:58:08,932 INFO L225 Difference]: With dead ends: 522 [2024-11-14 03:58:08,932 INFO L226 Difference]: Without dead ends: 426 [2024-11-14 03:58:08,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:58:08,934 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 161 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:58:08,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 333 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:58:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-14 03:58:09,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-11-14 03:58:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 308 states have (on average 1.4415584415584415) internal successors, (444), 311 states have internal predecessors, (444), 86 states have call successors, (86), 32 states have call predecessors, (86), 31 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-14 03:58:09,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 615 transitions. [2024-11-14 03:58:09,089 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 615 transitions. Word has length 105 [2024-11-14 03:58:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:58:09,090 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 615 transitions. [2024-11-14 03:58:09,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-14 03:58:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 615 transitions. [2024-11-14 03:58:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-14 03:58:09,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:58:09,093 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:58:09,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 03:58:09,093 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:58:09,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:58:09,093 INFO L85 PathProgramCache]: Analyzing trace with hash -683883183, now seen corresponding path program 1 times [2024-11-14 03:58:09,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:58:09,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26188256] [2024-11-14 03:58:09,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:58:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:58:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-14 03:58:09,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:58:09,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26188256] [2024-11-14 03:58:09,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26188256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:58:09,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217758600] [2024-11-14 03:58:09,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:09,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:58:09,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:58:09,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:58:09,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe7b7df-74c1-44d4-9af8-9830fc9bfa4e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:58:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:58:10,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:58:10,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:58:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-14 03:58:10,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:58:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-14 03:58:10,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217758600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:58:10,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [761632058] [2024-11-14 03:58:10,590 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-14 03:58:10,590 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:58:10,590 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:58:10,590 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:58:10,591 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:58:43,728 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 228 for LOIs [2024-11-14 03:58:43,874 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 6 for LOIs [2024-11-14 03:58:43,881 INFO L180 IcfgInterpreter]: Interpretation finished