./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 619b5b07f7bee6d460265c38ff6f46d0f3c88b87f6fc28a24021d9529c74e42f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:56:50,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:56:50,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:56:50,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:56:50,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:56:50,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:56:50,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:56:50,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:56:50,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:56:50,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:56:50,159 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:56:50,159 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:56:50,160 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:56:50,160 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:56:50,161 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:56:50,161 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:56:50,162 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:56:50,162 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:56:50,163 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:56:50,163 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:56:50,163 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:56:50,164 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:56:50,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:56:50,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:56:50,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:56:50,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:56:50,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:56:50,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:56:50,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:56:50,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:56:50,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:56:50,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:56:50,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:56:50,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:56:50,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:56:50,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:56:50,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:56:50,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:56:50,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:56:50,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:56:50,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:56:50,170 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:56:50,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:56:50,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:56:50,171 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:56:50,171 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:56:50,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:56:50,171 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 619b5b07f7bee6d460265c38ff6f46d0f3c88b87f6fc28a24021d9529c74e42f [2023-12-02 14:56:50,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:56:50,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:56:50,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:56:50,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:56:50,418 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:56:50,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2023-12-02 14:56:53,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:56:53,498 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:56:53,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2023-12-02 14:56:53,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/data/082c4022d/0073a7edd8404ee2b731aead8582307b/FLAG3131f4a69 [2023-12-02 14:56:53,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/data/082c4022d/0073a7edd8404ee2b731aead8582307b [2023-12-02 14:56:53,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:56:53,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:56:53,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:56:53,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:56:53,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:56:53,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:56:53" (1/1) ... [2023-12-02 14:56:53,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46269f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:53, skipping insertion in model container [2023-12-02 14:56:53,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:56:53" (1/1) ... [2023-12-02 14:56:53,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:56:53,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2023-12-02 14:56:54,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:56:54,102 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:56:54,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2023-12-02 14:56:54,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [97] [2023-12-02 14:56:54,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [445] [2023-12-02 14:56:54,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [454] [2023-12-02 14:56:54,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [471] [2023-12-02 14:56:54,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [871] [2023-12-02 14:56:54,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1092] [2023-12-02 14:56:54,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2167] [2023-12-02 14:56:54,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2303] [2023-12-02 14:56:54,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2568] [2023-12-02 14:56:54,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2595] [2023-12-02 14:56:54,128 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c[8467,8480] [2023-12-02 14:56:54,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:56:54,221 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:56:54,226 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:56:54,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54 WrapperNode [2023-12-02 14:56:54,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:56:54,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:56:54,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:56:54,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:56:54,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,320 INFO L138 Inliner]: procedures = 128, calls = 208, calls flagged for inlining = 55, calls inlined = 45, statements flattened = 875 [2023-12-02 14:56:54,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:56:54,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:56:54,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:56:54,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:56:54,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:56:54,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:56:54,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:56:54,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:56:54,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (1/1) ... [2023-12-02 14:56:54,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:56:54,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:56:54,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:56:54,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:56:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-02 14:56:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-02 14:56:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-02 14:56:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-02 14:56:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-02 14:56:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-02 14:56:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-02 14:56:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-02 14:56:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-02 14:56:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-02 14:56:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-02 14:56:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-02 14:56:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-02 14:56:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-02 14:56:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-02 14:56:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-02 14:56:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-02 14:56:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-02 14:56:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-02 14:56:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-02 14:56:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-12-02 14:56:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-02 14:56:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-02 14:56:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-02 14:56:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-02 14:56:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:56:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-02 14:56:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-02 14:56:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-02 14:56:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-02 14:56:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-02 14:56:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-02 14:56:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-02 14:56:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-02 14:56:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-02 14:56:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-02 14:56:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-02 14:56:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-02 14:56:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-02 14:56:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-02 14:56:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-02 14:56:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-02 14:56:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-02 14:56:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-02 14:56:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:56:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-02 14:56:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-02 14:56:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:56:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:56:54,626 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:56:54,628 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:56:55,238 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:56:55,647 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:56:55,647 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:56:55,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:56:55 BoogieIcfgContainer [2023-12-02 14:56:55,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:56:55,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:56:55,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:56:55,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:56:55,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:56:53" (1/3) ... [2023-12-02 14:56:55,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d298f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:56:55, skipping insertion in model container [2023-12-02 14:56:55,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:56:54" (2/3) ... [2023-12-02 14:56:55,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d298f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:56:55, skipping insertion in model container [2023-12-02 14:56:55,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:56:55" (3/3) ... [2023-12-02 14:56:55,657 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product28.cil.c [2023-12-02 14:56:55,677 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:56:55,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:56:55,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:56:55,732 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f87ebf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:56:55,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:56:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 110 states have internal predecessors, (142), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 14:56:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 14:56:55,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:56:55,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:56:55,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:56:55,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:56:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1495416941, now seen corresponding path program 1 times [2023-12-02 14:56:55,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:56:55,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171359641] [2023-12-02 14:56:55,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:56:55,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:56:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:56:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 14:56:56,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:56:56,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171359641] [2023-12-02 14:56:56,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171359641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:56:56,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:56:56,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:56:56,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530793560] [2023-12-02 14:56:56,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:56:56,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:56:56,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:56:56,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:56:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:56:56,130 INFO L87 Difference]: Start difference. First operand has 180 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 110 states have internal predecessors, (142), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:56:56,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:56:56,247 INFO L93 Difference]: Finished difference Result 277 states and 362 transitions. [2023-12-02 14:56:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:56:56,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 65 [2023-12-02 14:56:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:56:56,263 INFO L225 Difference]: With dead ends: 277 [2023-12-02 14:56:56,263 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 14:56:56,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:56:56,272 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:56:56,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:56:56,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 14:56:56,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-12-02 14:56:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 104 states have (on average 1.3076923076923077) internal successors, (136), 107 states have internal predecessors, (136), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-02 14:56:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 235 transitions. [2023-12-02 14:56:56,332 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 235 transitions. Word has length 65 [2023-12-02 14:56:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:56:56,334 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 235 transitions. [2023-12-02 14:56:56,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:56:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 235 transitions. [2023-12-02 14:56:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 14:56:56,339 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:56:56,339 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:56:56,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:56:56,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:56:56,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:56:56,341 INFO L85 PathProgramCache]: Analyzing trace with hash -13381166, now seen corresponding path program 1 times [2023-12-02 14:56:56,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:56:56,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173795662] [2023-12-02 14:56:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:56:56,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:56:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:56:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 14:56:56,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:56:56,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173795662] [2023-12-02 14:56:56,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173795662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:56:56,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:56:56,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:56:56,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281561343] [2023-12-02 14:56:56,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:56:56,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:56:56,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:56:56,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:56:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:56:56,548 INFO L87 Difference]: Start difference. First operand 177 states and 235 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:56:56,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:56:56,644 INFO L93 Difference]: Finished difference Result 273 states and 350 transitions. [2023-12-02 14:56:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:56:56,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2023-12-02 14:56:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:56:56,648 INFO L225 Difference]: With dead ends: 273 [2023-12-02 14:56:56,648 INFO L226 Difference]: Without dead ends: 179 [2023-12-02 14:56:56,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:56:56,651 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:56:56,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 411 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:56:56,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-02 14:56:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2023-12-02 14:56:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 109 states have internal predecessors, (138), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-02 14:56:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 237 transitions. [2023-12-02 14:56:56,670 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 237 transitions. Word has length 66 [2023-12-02 14:56:56,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:56:56,671 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 237 transitions. [2023-12-02 14:56:56,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:56:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 237 transitions. [2023-12-02 14:56:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 14:56:56,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:56:56,674 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:56:56,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:56:56,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:56:56,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:56:56,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1386326767, now seen corresponding path program 1 times [2023-12-02 14:56:56,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:56:56,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231379138] [2023-12-02 14:56:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:56:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:56:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:56:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 14:56:56,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:56:56,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231379138] [2023-12-02 14:56:56,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231379138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:56:56,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:56:56,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:56:56,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112008381] [2023-12-02 14:56:56,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:56:56,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:56:56,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:56:56,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:56:56,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:56:56,818 INFO L87 Difference]: Start difference. First operand 179 states and 237 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:56:56,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:56:56,915 INFO L93 Difference]: Finished difference Result 388 states and 533 transitions. [2023-12-02 14:56:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:56:56,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2023-12-02 14:56:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:56:56,918 INFO L225 Difference]: With dead ends: 388 [2023-12-02 14:56:56,918 INFO L226 Difference]: Without dead ends: 227 [2023-12-02 14:56:56,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:56:56,921 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 57 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 416 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 [2023-12-02 14:56:56,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 416 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:56:56,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-12-02 14:56:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 222. [2023-12-02 14:56:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 138 states have (on average 1.3840579710144927) internal successors, (191), 141 states have internal predecessors, (191), 61 states have call successors, (61), 22 states have call predecessors, (61), 22 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 14:56:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 312 transitions. [2023-12-02 14:56:56,943 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 312 transitions. Word has length 71 [2023-12-02 14:56:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:56:56,943 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 312 transitions. [2023-12-02 14:56:56,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-02 14:56:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 312 transitions. [2023-12-02 14:56:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 14:56:56,946 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:56:56,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:56:56,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:56:56,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:56:56,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:56:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1359896694, now seen corresponding path program 1 times [2023-12-02 14:56:56,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:56:56,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467187544] [2023-12-02 14:56:56,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:56:56,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:56:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:56:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 14:56:57,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:56:57,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467187544] [2023-12-02 14:56:57,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467187544] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:56:57,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564353332] [2023-12-02 14:56:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:56:57,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:56:57,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:56:57,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:56:57,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:56:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:56:57,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:56:57,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:56:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 14:56:57,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:56:57,598 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 14:56:57,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564353332] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:56:57,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1395277185] [2023-12-02 14:56:57,635 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2023-12-02 14:56:57,635 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:56:57,639 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:56:57,644 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:56:57,644 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:57:44,138 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 14:57:44,331 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 14:57:44,562 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:58:39,108 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 493 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:58:48,424 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification. DAG size of input: 494 DAG size of output: 493 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:58:58,383 WARN L293 SmtUtils]: Spent 9.62s on a formula simplification. DAG size of input: 500 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:59:08,477 WARN L293 SmtUtils]: Spent 9.69s on a formula simplification. DAG size of input: 498 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:59:12,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1395277185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:59:12,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:59:12,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 4, 4] total 29 [2023-12-02 14:59:12,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783791123] [2023-12-02 14:59:12,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:59:12,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-02 14:59:12,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:59:12,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-02 14:59:12,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 14:59:12,037 INFO L87 Difference]: Start difference. First operand 222 states and 312 transitions. Second operand has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2023-12-02 14:59:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:59:21,331 INFO L93 Difference]: Finished difference Result 489 states and 720 transitions. [2023-12-02 14:59:21,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 14:59:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 72 [2023-12-02 14:59:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:59:21,335 INFO L225 Difference]: With dead ends: 489 [2023-12-02 14:59:21,335 INFO L226 Difference]: Without dead ends: 285 [2023-12-02 14:59:21,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 87.5s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-12-02 14:59:21,337 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 110 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 3052 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:59:21,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 3052 Invalid, 1990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-12-02 14:59:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-12-02 14:59:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 245. [2023-12-02 14:59:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 160 states have (on average 1.4) internal successors, (224), 163 states have internal predecessors, (224), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 14:59:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 345 transitions. [2023-12-02 14:59:21,406 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 345 transitions. Word has length 72 [2023-12-02 14:59:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:59:21,407 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 345 transitions. [2023-12-02 14:59:21,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2023-12-02 14:59:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 345 transitions. [2023-12-02 14:59:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 14:59:21,409 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:59:21,409 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:59:21,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:59:21,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:59:21,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:59:21,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:59:21,612 INFO L85 PathProgramCache]: Analyzing trace with hash 567746722, now seen corresponding path program 1 times [2023-12-02 14:59:21,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:59:21,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991070943] [2023-12-02 14:59:21,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:59:21,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:59:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:59:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 14:59:21,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:59:21,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991070943] [2023-12-02 14:59:21,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991070943] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:59:21,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:59:21,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:59:21,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741214812] [2023-12-02 14:59:21,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:59:21,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:59:21,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:59:21,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:59:21,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:59:21,737 INFO L87 Difference]: Start difference. First operand 245 states and 345 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 14:59:21,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:59:21,949 INFO L93 Difference]: Finished difference Result 583 states and 854 transitions. [2023-12-02 14:59:21,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:59:21,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2023-12-02 14:59:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:59:21,953 INFO L225 Difference]: With dead ends: 583 [2023-12-02 14:59:21,953 INFO L226 Difference]: Without dead ends: 362 [2023-12-02 14:59:21,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:59:21,955 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 55 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:59:21,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 425 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:59:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-12-02 14:59:22,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 357. [2023-12-02 14:59:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 247 states have (on average 1.45748987854251) internal successors, (360), 250 states have internal predecessors, (360), 86 states have call successors, (86), 23 states have call predecessors, (86), 23 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-12-02 14:59:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 531 transitions. [2023-12-02 14:59:22,065 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 531 transitions. Word has length 77 [2023-12-02 14:59:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:59:22,065 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 531 transitions. [2023-12-02 14:59:22,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 14:59:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 531 transitions. [2023-12-02 14:59:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 14:59:22,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:59:22,068 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:59:22,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 14:59:22,069 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:59:22,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:59:22,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1313071532, now seen corresponding path program 1 times [2023-12-02 14:59:22,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:59:22,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685794735] [2023-12-02 14:59:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:59:22,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:59:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:59:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 14:59:22,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:59:22,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685794735] [2023-12-02 14:59:22,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685794735] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:59:22,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370762347] [2023-12-02 14:59:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:59:22,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:59:22,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:59:22,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:59:22,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:59:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:59:22,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:59:22,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:59:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 14:59:22,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:59:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 14:59:22,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370762347] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:59:22,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1550317590] [2023-12-02 14:59:22,602 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2023-12-02 14:59:22,602 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:59:22,603 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:59:22,603 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:59:22,603 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:00:28,476 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 15:00:28,640 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 470 for LOIs [2023-12-02 15:00:30,696 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:00:50,288 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 470 DAG size of output: 471 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:00:59,498 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification. DAG size of input: 500 DAG size of output: 495 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:01:36,968 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification. DAG size of input: 497 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:01:45,976 WARN L293 SmtUtils]: Spent 8.70s on a formula simplification. DAG size of input: 498 DAG size of output: 497 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:01:55,865 WARN L293 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 504 DAG size of output: 503 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:02:05,697 WARN L293 SmtUtils]: Spent 9.45s on a formula simplification. DAG size of input: 502 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:02:26,152 WARN L293 SmtUtils]: Spent 19.98s on a formula simplification. DAG size of input: 512 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:02:46,796 WARN L293 SmtUtils]: Spent 20.13s on a formula simplification. DAG size of input: 510 DAG size of output: 499 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:02:58,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1550317590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:58,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:02:58,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [4, 4, 4] total 33 [2023-12-02 15:02:58,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771074843] [2023-12-02 15:02:58,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:58,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 15:02:58,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:02:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 15:02:58,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 15:02:58,035 INFO L87 Difference]: Start difference. First operand 357 states and 531 transitions. Second operand has 28 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2023-12-02 15:03:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:03:10,244 INFO L93 Difference]: Finished difference Result 730 states and 1115 transitions. [2023-12-02 15:03:10,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 15:03:10,245 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 78 [2023-12-02 15:03:10,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:03:10,248 INFO L225 Difference]: With dead ends: 730 [2023-12-02 15:03:10,248 INFO L226 Difference]: Without dead ends: 436 [2023-12-02 15:03:10,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 147.3s TimeCoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 15:03:10,249 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 145 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:03:10,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2942 Invalid, 2282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2023-12-02 15:03:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-12-02 15:03:10,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 371. [2023-12-02 15:03:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 259 states have (on average 1.4555984555984556) internal successors, (377), 262 states have internal predecessors, (377), 87 states have call successors, (87), 24 states have call predecessors, (87), 24 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-12-02 15:03:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 550 transitions. [2023-12-02 15:03:10,354 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 550 transitions. Word has length 78 [2023-12-02 15:03:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:03:10,354 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 550 transitions. [2023-12-02 15:03:10,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 8 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2023-12-02 15:03:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 550 transitions. [2023-12-02 15:03:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 15:03:10,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:03:10,356 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:03:10,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 15:03:10,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:03:10,557 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:03:10,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:03:10,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1401976868, now seen corresponding path program 1 times [2023-12-02 15:03:10,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:03:10,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845901274] [2023-12-02 15:03:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:03:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:03:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:03:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:03:10,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:03:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845901274] [2023-12-02 15:03:10,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845901274] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:03:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120556541] [2023-12-02 15:03:10,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:03:10,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:03:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:03:10,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:03:10,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:03:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:03:11,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:03:11,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:03:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:03:11,030 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:03:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:03:11,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120556541] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:03:11,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1958352479] [2023-12-02 15:03:11,091 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2023-12-02 15:03:11,091 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:03:11,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:03:11,092 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:03:11,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:04:45,285 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 15:04:45,443 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringPublicKey with input of size 529 for LOIs [2023-12-02 15:04:47,398 INFO L197 IcfgInterpreter]: Interpreting procedure setClientKeyringUser with input of size 538 for LOIs [2023-12-02 15:04:49,138 INFO L197 IcfgInterpreter]: Interpreting procedure createClientKeyringEntry with input of size 461 for LOIs [2023-12-02 15:04:49,985 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 15:04:50,149 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:05:45,711 WARN L293 SmtUtils]: Spent 10.72s on a formula simplification. DAG size of input: 570 DAG size of output: 565 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:05:56,754 WARN L293 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 571 DAG size of output: 565 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:06:48,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1958352479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:06:48,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:06:48,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [4, 4, 4] total 38 [2023-12-02 15:06:48,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991001212] [2023-12-02 15:06:48,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:06:48,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 15:06:48,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:06:48,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 15:06:48,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 15:06:48,434 INFO L87 Difference]: Start difference. First operand 371 states and 550 transitions. Second operand has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2023-12-02 15:07:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:07:10,993 INFO L93 Difference]: Finished difference Result 755 states and 1150 transitions. [2023-12-02 15:07:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 15:07:10,994 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) Word has length 81 [2023-12-02 15:07:10,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:07:10,999 INFO L225 Difference]: With dead ends: 755 [2023-12-02 15:07:10,999 INFO L226 Difference]: Without dead ends: 461 [2023-12-02 15:07:11,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 118.3s TimeCoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2023-12-02 15:07:11,002 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 87 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 3509 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:07:11,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 3509 Invalid, 3131 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3122 Invalid, 0 Unknown, 0 Unchecked, 22.1s Time] [2023-12-02 15:07:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2023-12-02 15:07:11,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 407. [2023-12-02 15:07:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 289 states have (on average 1.4498269896193772) internal successors, (419), 292 states have internal predecessors, (419), 90 states have call successors, (90), 27 states have call predecessors, (90), 27 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-12-02 15:07:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 598 transitions. [2023-12-02 15:07:11,218 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 598 transitions. Word has length 81 [2023-12-02 15:07:11,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:07:11,218 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 598 transitions. [2023-12-02 15:07:11,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 10 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 10 states have call predecessors, (16), 10 states have call successors, (16) [2023-12-02 15:07:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 598 transitions. [2023-12-02 15:07:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 15:07:11,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:07:11,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:07:11,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 15:07:11,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:07:11,429 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:07:11,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:07:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash -718232007, now seen corresponding path program 1 times [2023-12-02 15:07:11,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:07:11,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343310566] [2023-12-02 15:07:11,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:07:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:07:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:07:11,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:07:11,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343310566] [2023-12-02 15:07:11,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343310566] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:07:11,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684950874] [2023-12-02 15:07:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:07:11,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:07:11,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:07:11,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:07:11,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fb27fd-eff5-4125-9de2-2ba057f2b3ec/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:07:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:07:11,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:07:11,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:07:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:07:11,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:07:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:07:11,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684950874] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:07:11,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2036976473] [2023-12-02 15:07:11,943 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2023-12-02 15:07:11,943 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:07:11,944 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:07:11,944 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:07:11,944 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:08:34,302 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 223 for LOIs [2023-12-02 15:08:34,486 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 228 for LOIs [2023-12-02 15:08:34,676 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:09:36,115 WARN L293 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 501 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:09:47,489 WARN L293 SmtUtils]: Spent 11.01s on a formula simplification. DAG size of input: 502 DAG size of output: 501 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:09:59,091 WARN L293 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 508 DAG size of output: 507 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:10:10,260 WARN L293 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 506 DAG size of output: 505 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:10:32,855 WARN L293 SmtUtils]: Spent 22.01s on a formula simplification. DAG size of input: 516 DAG size of output: 505 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:10:56,560 WARN L293 SmtUtils]: Spent 23.19s on a formula simplification. DAG size of input: 514 DAG size of output: 503 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)