./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d912bb29f92146b3af89aaec6570a3971933bc9b9284807c8f8b532bfb963bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:35:44,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:35:44,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:35:44,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:35:44,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:35:44,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:35:44,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:35:44,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:35:44,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:35:44,915 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:35:44,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:35:44,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:35:44,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:35:44,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:35:44,916 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:35:44,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:35:44,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:35:44,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:35:44,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:35:44,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:35:44,917 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:35:44,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:35:44,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:35:44,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:35:44,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:35:44,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:35:44,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:35:44,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:35:44,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer 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 -> 4d912bb29f92146b3af89aaec6570a3971933bc9b9284807c8f8b532bfb963bf [2024-12-02 11:35:45,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:35:45,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:35:45,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:35:45,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:35:45,189 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:35:45,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2024-12-02 11:35:47,924 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/data/c943fa575/0103f91f8d1847608108ad472499ec94/FLAGd3760cfc2 [2024-12-02 11:35:48,194 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:35:48,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2024-12-02 11:35:48,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/data/c943fa575/0103f91f8d1847608108ad472499ec94/FLAGd3760cfc2 [2024-12-02 11:35:48,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/data/c943fa575/0103f91f8d1847608108ad472499ec94 [2024-12-02 11:35:48,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:35:48,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:35:48,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:35:48,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:35:48,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:35:48,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:48,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a0fd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48, skipping insertion in model container [2024-12-02 11:35:48,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:48,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:35:48,633 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c[18815,18828] [2024-12-02 11:35:48,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:35:48,806 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:35:48,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-12-02 11:35:48,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [382] [2024-12-02 11:35:48,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [682] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [715] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [750] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [966] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [975] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [992] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1358] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2422] [2024-12-02 11:35:48,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2520] [2024-12-02 11:35:48,857 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c[18815,18828] [2024-12-02 11:35:48,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:35:48,950 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:35:48,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48 WrapperNode [2024-12-02 11:35:48,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:35:48,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:35:48,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:35:48,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:35:48,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:48,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,006 INFO L138 Inliner]: procedures = 127, calls = 193, calls flagged for inlining = 52, calls inlined = 46, statements flattened = 888 [2024-12-02 11:35:49,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:35:49,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:35:49,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:35:49,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:35:49,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,045 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-12-02 11:35:49,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:35:49,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:35:49,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:35:49,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:35:49,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (1/1) ... [2024-12-02 11:35:49,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:35:49,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:49,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:35:49,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:35:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 11:35:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 11:35:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 11:35:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 11:35:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-12-02 11:35:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-12-02 11:35:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 11:35:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 11:35:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 11:35:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 11:35:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 11:35:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 11:35:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 11:35:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 11:35:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-12-02 11:35:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-12-02 11:35:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 11:35:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 11:35:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 11:35:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 11:35:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-12-02 11:35:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 11:35:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 11:35:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 11:35:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 11:35:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 11:35:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-12-02 11:35:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-12-02 11:35:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 11:35:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 11:35:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 11:35:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:35:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:35:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 11:35:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 11:35:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 11:35:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 11:35:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:35:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:35:49,342 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:35:49,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:35:50,357 INFO L? ?]: Removed 472 outVars from TransFormulas that were not future-live. [2024-12-02 11:35:50,357 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:35:50,377 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:35:50,377 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:35:50,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:50 BoogieIcfgContainer [2024-12-02 11:35:50,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:35:50,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:35:50,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:35:50,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:35:50,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:35:48" (1/3) ... [2024-12-02 11:35:50,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789bd709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:35:50, skipping insertion in model container [2024-12-02 11:35:50,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:48" (2/3) ... [2024-12-02 11:35:50,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789bd709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:35:50, skipping insertion in model container [2024-12-02 11:35:50,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:50" (3/3) ... [2024-12-02 11:35:50,387 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec27_product17.cil.c [2024-12-02 11:35:50,400 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:35:50,402 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec27_product17.cil.c that has 24 procedures, 358 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:35:50,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:35:50,475 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@33c98bac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:35:50,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:35:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 282 states have (on average 1.5815602836879432) internal successors, (446), 285 states have internal predecessors, (446), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 11:35:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 11:35:50,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:50,500 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:50,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:50,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:50,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2094378710, now seen corresponding path program 1 times [2024-12-02 11:35:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:50,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749592617] [2024-12-02 11:35:50,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:35:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749592617] [2024-12-02 11:35:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749592617] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:35:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140722202] [2024-12-02 11:35:51,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:51,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:51,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:51,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:35:51,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:35:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:51,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:35:51,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 11:35:51,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:35:51,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140722202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:51,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:35:51,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-12-02 11:35:51,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119736673] [2024-12-02 11:35:51,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:51,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:35:51,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:51,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:35:51,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:35:51,694 INFO L87 Difference]: Start difference. First operand has 358 states, 282 states have (on average 1.5815602836879432) internal successors, (446), 285 states have internal predecessors, (446), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:51,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:51,759 INFO L93 Difference]: Finished difference Result 529 states and 795 transitions. [2024-12-02 11:35:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:35:51,761 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-12-02 11:35:51,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:51,775 INFO L225 Difference]: With dead ends: 529 [2024-12-02 11:35:51,776 INFO L226 Difference]: Without dead ends: 351 [2024-12-02 11:35:51,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:35:51,783 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:51,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-12-02 11:35:51,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2024-12-02 11:35:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 276 states have (on average 1.576086956521739) internal successors, (435), 278 states have internal predecessors, (435), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 11:35:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 536 transitions. [2024-12-02 11:35:51,839 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 536 transitions. Word has length 136 [2024-12-02 11:35:51,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:51,841 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 536 transitions. [2024-12-02 11:35:51,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 536 transitions. [2024-12-02 11:35:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 11:35:51,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:51,847 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:51,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:35:52,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:35:52,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:52,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:52,049 INFO L85 PathProgramCache]: Analyzing trace with hash -556148260, now seen corresponding path program 1 times [2024-12-02 11:35:52,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:52,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399783976] [2024-12-02 11:35:52,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:52,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:35:52,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:52,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399783976] [2024-12-02 11:35:52,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399783976] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:35:52,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966726589] [2024-12-02 11:35:52,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:52,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:52,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:35:52,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:35:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:52,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:35:52,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 11:35:52,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:35:52,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966726589] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:52,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:35:52,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 11:35:52,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875308737] [2024-12-02 11:35:52,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:52,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:52,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:52,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:35:52,847 INFO L87 Difference]: Start difference. First operand 351 states and 536 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:52,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:52,882 INFO L93 Difference]: Finished difference Result 518 states and 772 transitions. [2024-12-02 11:35:52,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:52,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-12-02 11:35:52,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:52,886 INFO L225 Difference]: With dead ends: 518 [2024-12-02 11:35:52,886 INFO L226 Difference]: Without dead ends: 353 [2024-12-02 11:35:52,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:35:52,888 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 1 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:52,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1066 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-12-02 11:35:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 352. [2024-12-02 11:35:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 277 states have (on average 1.5740072202166064) internal successors, (436), 279 states have internal predecessors, (436), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 11:35:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 537 transitions. [2024-12-02 11:35:52,912 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 537 transitions. Word has length 136 [2024-12-02 11:35:52,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:52,912 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 537 transitions. [2024-12-02 11:35:52,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 537 transitions. [2024-12-02 11:35:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 11:35:52,915 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:52,915 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:52,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:35:53,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:53,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:53,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:53,117 INFO L85 PathProgramCache]: Analyzing trace with hash 805323363, now seen corresponding path program 1 times [2024-12-02 11:35:53,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:53,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853045924] [2024-12-02 11:35:53,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:53,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 11:35:53,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:53,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853045924] [2024-12-02 11:35:53,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853045924] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:35:53,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644536350] [2024-12-02 11:35:53,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:53,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:53,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:53,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:35:53,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:35:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:53,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:35:53,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 11:35:53,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:35:53,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644536350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:53,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:35:53,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 11:35:53,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084396277] [2024-12-02 11:35:53,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:53,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:53,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:53,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:53,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:35:53,672 INFO L87 Difference]: Start difference. First operand 352 states and 537 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:35:53,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:53,715 INFO L93 Difference]: Finished difference Result 747 states and 1158 transitions. [2024-12-02 11:35:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:53,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2024-12-02 11:35:53,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:53,720 INFO L225 Difference]: With dead ends: 747 [2024-12-02 11:35:53,720 INFO L226 Difference]: Without dead ends: 421 [2024-12-02 11:35:53,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:35:53,722 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 126 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:53,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1035 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-12-02 11:35:53,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 413. [2024-12-02 11:35:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 324 states have (on average 1.5925925925925926) internal successors, (516), 326 states have internal predecessors, (516), 65 states have call successors, (65), 23 states have call predecessors, (65), 23 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 11:35:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 645 transitions. [2024-12-02 11:35:53,746 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 645 transitions. Word has length 122 [2024-12-02 11:35:53,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:53,747 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 645 transitions. [2024-12-02 11:35:53,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:35:53,747 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 645 transitions. [2024-12-02 11:35:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 11:35:53,751 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:53,751 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:53,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 11:35:53,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:53,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:53,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:53,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1793719701, now seen corresponding path program 1 times [2024-12-02 11:35:53,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:53,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41652014] [2024-12-02 11:35:53,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 11:35:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41652014] [2024-12-02 11:35:54,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41652014] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:35:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797285048] [2024-12-02 11:35:54,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:54,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:54,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:35:54,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:35:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:54,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:35:54,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 11:35:54,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:35:54,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797285048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:54,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:35:54,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 11:35:54,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820467356] [2024-12-02 11:35:54,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:54,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:35:54,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:54,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:35:54,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:35:54,555 INFO L87 Difference]: Start difference. First operand 413 states and 645 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:35:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:54,633 INFO L93 Difference]: Finished difference Result 817 states and 1280 transitions. [2024-12-02 11:35:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:35:54,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 142 [2024-12-02 11:35:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:54,637 INFO L225 Difference]: With dead ends: 817 [2024-12-02 11:35:54,637 INFO L226 Difference]: Without dead ends: 415 [2024-12-02 11:35:54,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:35:54,640 INFO L435 NwaCegarLoop]: 528 mSDtfsCounter, 2 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:54,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2101 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:54,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-12-02 11:35:54,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-12-02 11:35:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 325 states have (on average 1.5907692307692307) internal successors, (517), 328 states have internal predecessors, (517), 65 states have call successors, (65), 23 states have call predecessors, (65), 24 states have return successors, (66), 63 states have call predecessors, (66), 64 states have call successors, (66) [2024-12-02 11:35:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 648 transitions. [2024-12-02 11:35:54,663 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 648 transitions. Word has length 142 [2024-12-02 11:35:54,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:54,663 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 648 transitions. [2024-12-02 11:35:54,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:35:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 648 transitions. [2024-12-02 11:35:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 11:35:54,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:54,666 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:54,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:35:54,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:54,867 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:54,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash 832418259, now seen corresponding path program 1 times [2024-12-02 11:35:54,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:54,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278610565] [2024-12-02 11:35:54,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:54,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 11:35:55,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:55,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278610565] [2024-12-02 11:35:55,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278610565] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:35:55,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422269553] [2024-12-02 11:35:55,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:55,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:55,034 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:35:55,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:35:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:55,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:35:55,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 11:35:55,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:35:55,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422269553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:55,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:35:55,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 11:35:55,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006651393] [2024-12-02 11:35:55,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:55,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:35:55,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:55,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:35:55,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:35:55,446 INFO L87 Difference]: Start difference. First operand 415 states and 648 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:35:55,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:55,513 INFO L93 Difference]: Finished difference Result 819 states and 1285 transitions. [2024-12-02 11:35:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:35:55,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2024-12-02 11:35:55,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:55,517 INFO L225 Difference]: With dead ends: 819 [2024-12-02 11:35:55,517 INFO L226 Difference]: Without dead ends: 417 [2024-12-02 11:35:55,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:35:55,519 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 2 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:55,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2087 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-12-02 11:35:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-12-02 11:35:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 330 states have internal predecessors, (518), 65 states have call successors, (65), 23 states have call predecessors, (65), 25 states have return successors, (71), 63 states have call predecessors, (71), 64 states have call successors, (71) [2024-12-02 11:35:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 654 transitions. [2024-12-02 11:35:55,535 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 654 transitions. Word has length 143 [2024-12-02 11:35:55,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:55,536 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 654 transitions. [2024-12-02 11:35:55,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:35:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 654 transitions. [2024-12-02 11:35:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 11:35:55,538 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:55,538 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:55,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:35:55,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:55,739 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:55,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:55,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1711028660, now seen corresponding path program 1 times [2024-12-02 11:35:55,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:55,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603421544] [2024-12-02 11:35:55,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 11:35:55,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:55,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603421544] [2024-12-02 11:35:55,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603421544] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:55,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:35:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163992106] [2024-12-02 11:35:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:55,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:35:55,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:55,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:35:55,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:35:55,858 INFO L87 Difference]: Start difference. First operand 417 states and 654 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:35:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:55,898 INFO L93 Difference]: Finished difference Result 811 states and 1276 transitions. [2024-12-02 11:35:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:35:55,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-12-02 11:35:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:55,902 INFO L225 Difference]: With dead ends: 811 [2024-12-02 11:35:55,902 INFO L226 Difference]: Without dead ends: 417 [2024-12-02 11:35:55,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:35:55,904 INFO L435 NwaCegarLoop]: 529 mSDtfsCounter, 2 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2105 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:55,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2105 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:55,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-12-02 11:35:55,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-12-02 11:35:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 326 states have (on average 1.5889570552147239) internal successors, (518), 330 states have internal predecessors, (518), 65 states have call successors, (65), 23 states have call predecessors, (65), 25 states have return successors, (70), 63 states have call predecessors, (70), 64 states have call successors, (70) [2024-12-02 11:35:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 653 transitions. [2024-12-02 11:35:55,920 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 653 transitions. Word has length 144 [2024-12-02 11:35:55,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:55,921 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 653 transitions. [2024-12-02 11:35:55,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 11:35:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 653 transitions. [2024-12-02 11:35:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 11:35:55,923 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:55,923 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:55,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:35:55,923 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:55,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:55,923 INFO L85 PathProgramCache]: Analyzing trace with hash -500899384, now seen corresponding path program 1 times [2024-12-02 11:35:55,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:55,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791637446] [2024-12-02 11:35:55,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:55,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 11:35:56,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:56,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791637446] [2024-12-02 11:35:56,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791637446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:56,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:56,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:35:56,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251645764] [2024-12-02 11:35:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:56,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:35:56,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:56,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:35:56,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:35:56,043 INFO L87 Difference]: Start difference. First operand 417 states and 653 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 11:35:56,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:56,094 INFO L93 Difference]: Finished difference Result 813 states and 1279 transitions. [2024-12-02 11:35:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:35:56,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 126 [2024-12-02 11:35:56,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:56,097 INFO L225 Difference]: With dead ends: 813 [2024-12-02 11:35:56,097 INFO L226 Difference]: Without dead ends: 419 [2024-12-02 11:35:56,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:35:56,099 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 1 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:56,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2108 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:56,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-12-02 11:35:56,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-12-02 11:35:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 327 states have (on average 1.5871559633027523) internal successors, (519), 332 states have internal predecessors, (519), 65 states have call successors, (65), 23 states have call predecessors, (65), 26 states have return successors, (72), 63 states have call predecessors, (72), 64 states have call successors, (72) [2024-12-02 11:35:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 656 transitions. [2024-12-02 11:35:56,119 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 656 transitions. Word has length 126 [2024-12-02 11:35:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:56,119 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 656 transitions. [2024-12-02 11:35:56,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 11:35:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 656 transitions. [2024-12-02 11:35:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:35:56,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:56,122 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:56,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:35:56,122 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:56,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:56,123 INFO L85 PathProgramCache]: Analyzing trace with hash -52628569, now seen corresponding path program 1 times [2024-12-02 11:35:56,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:56,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737581887] [2024-12-02 11:35:56,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:56,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 11:35:56,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:56,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737581887] [2024-12-02 11:35:56,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737581887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:56,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:56,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:35:56,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081140397] [2024-12-02 11:35:56,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:56,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:35:56,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:56,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:35:56,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:35:56,288 INFO L87 Difference]: Start difference. First operand 419 states and 656 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 11:35:56,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:56,433 INFO L93 Difference]: Finished difference Result 815 states and 1278 transitions. [2024-12-02 11:35:56,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:35:56,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 146 [2024-12-02 11:35:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:56,437 INFO L225 Difference]: With dead ends: 815 [2024-12-02 11:35:56,437 INFO L226 Difference]: Without dead ends: 421 [2024-12-02 11:35:56,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:35:56,439 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 7 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3611 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:56,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3611 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:35:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-12-02 11:35:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2024-12-02 11:35:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 329 states have (on average 1.5835866261398177) internal successors, (521), 333 states have internal predecessors, (521), 65 states have call successors, (65), 24 states have call predecessors, (65), 26 states have return successors, (71), 63 states have call predecessors, (71), 64 states have call successors, (71) [2024-12-02 11:35:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 657 transitions. [2024-12-02 11:35:56,459 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 657 transitions. Word has length 146 [2024-12-02 11:35:56,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:56,459 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 657 transitions. [2024-12-02 11:35:56,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 11:35:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 657 transitions. [2024-12-02 11:35:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 11:35:56,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:56,462 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:56,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:35:56,463 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:56,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash -397310754, now seen corresponding path program 1 times [2024-12-02 11:35:56,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:56,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733597794] [2024-12-02 11:35:56,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 11:35:56,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:56,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733597794] [2024-12-02 11:35:56,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733597794] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:56,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:56,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:35:56,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833028701] [2024-12-02 11:35:56,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:56,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:35:56,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:56,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:35:56,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:35:56,637 INFO L87 Difference]: Start difference. First operand 421 states and 657 transitions. Second operand has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-12-02 11:35:56,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:56,778 INFO L93 Difference]: Finished difference Result 818 states and 1285 transitions. [2024-12-02 11:35:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:35:56,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2024-12-02 11:35:56,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:56,781 INFO L225 Difference]: With dead ends: 818 [2024-12-02 11:35:56,781 INFO L226 Difference]: Without dead ends: 424 [2024-12-02 11:35:56,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:35:56,782 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 5 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:56,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3625 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:35:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-12-02 11:35:56,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-12-02 11:35:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 331 states have (on average 1.5800604229607251) internal successors, (523), 336 states have internal predecessors, (523), 65 states have call successors, (65), 24 states have call predecessors, (65), 27 states have return successors, (76), 63 states have call predecessors, (76), 64 states have call successors, (76) [2024-12-02 11:35:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 664 transitions. [2024-12-02 11:35:56,797 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 664 transitions. Word has length 128 [2024-12-02 11:35:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:56,797 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 664 transitions. [2024-12-02 11:35:56,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-12-02 11:35:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 664 transitions. [2024-12-02 11:35:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:35:56,799 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:56,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:56,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:35:56,800 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:56,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1217104674, now seen corresponding path program 1 times [2024-12-02 11:35:56,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:56,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519804616] [2024-12-02 11:35:56,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:56,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:56,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519804616] [2024-12-02 11:35:56,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519804616] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:35:56,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036841802] [2024-12-02 11:35:56,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:56,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:56,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:35:56,899 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:35:56,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:35:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:57,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:35:57,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:57,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:35:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:57,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036841802] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:35:57,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:35:57,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 11:35:57,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657578543] [2024-12-02 11:35:57,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:35:57,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:35:57,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:57,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:35:57,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:35:57,344 INFO L87 Difference]: Start difference. First operand 424 states and 664 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:35:57,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:57,541 INFO L93 Difference]: Finished difference Result 1000 states and 1625 transitions. [2024-12-02 11:35:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:35:57,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 148 [2024-12-02 11:35:57,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:57,548 INFO L225 Difference]: With dead ends: 1000 [2024-12-02 11:35:57,548 INFO L226 Difference]: Without dead ends: 835 [2024-12-02 11:35:57,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:35:57,550 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 374 mSDsluCounter, 2823 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:57,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 3396 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:35:57,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-12-02 11:35:57,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 811. [2024-12-02 11:35:57,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 639 states have (on average 1.6431924882629108) internal successors, (1050), 644 states have internal predecessors, (1050), 144 states have call successors, (144), 24 states have call predecessors, (144), 27 states have return successors, (165), 142 states have call predecessors, (165), 143 states have call successors, (165) [2024-12-02 11:35:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1359 transitions. [2024-12-02 11:35:57,589 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1359 transitions. Word has length 148 [2024-12-02 11:35:57,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:57,589 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1359 transitions. [2024-12-02 11:35:57,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 11:35:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1359 transitions. [2024-12-02 11:35:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 11:35:57,595 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:57,595 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:57,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:35:57,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb202b4f-f5f3-4335-aadb-6920c7d0eee0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:57,796 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:57,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1019209999, now seen corresponding path program 1 times [2024-12-02 11:35:57,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:57,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659637861] [2024-12-02 11:35:57,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:57,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:57,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:57,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659637861] [2024-12-02 11:35:57,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659637861] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:57,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:57,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:35:57,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642221058] [2024-12-02 11:35:57,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:57,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:57,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:57,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:57,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:57,879 INFO L87 Difference]: Start difference. First operand 811 states and 1359 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:57,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:57,924 INFO L93 Difference]: Finished difference Result 1944 states and 3307 transitions. [2024-12-02 11:35:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:57,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-12-02 11:35:57,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:57,930 INFO L225 Difference]: With dead ends: 1944 [2024-12-02 11:35:57,930 INFO L226 Difference]: Without dead ends: 1202 [2024-12-02 11:35:57,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:57,934 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 124 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:57,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1094 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2024-12-02 11:35:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1194. [2024-12-02 11:35:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 943 states have (on average 1.6574761399787912) internal successors, (1563), 948 states have internal predecessors, (1563), 223 states have call successors, (223), 24 states have call predecessors, (223), 27 states have return successors, (254), 221 states have call predecessors, (254), 222 states have call successors, (254) [2024-12-02 11:35:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2040 transitions. [2024-12-02 11:35:57,992 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2040 transitions. Word has length 155 [2024-12-02 11:35:57,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:57,992 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 2040 transitions. [2024-12-02 11:35:57,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2040 transitions. [2024-12-02 11:35:57,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 11:35:57,999 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:57,999 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:58,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:35:58,000 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:58,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:58,000 INFO L85 PathProgramCache]: Analyzing trace with hash 682034634, now seen corresponding path program 1 times [2024-12-02 11:35:58,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:58,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755497537] [2024-12-02 11:35:58,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:58,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:58,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755497537] [2024-12-02 11:35:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755497537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:58,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:58,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:35:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614338861] [2024-12-02 11:35:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:58,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:58,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:58,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:58,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:58,066 INFO L87 Difference]: Start difference. First operand 1194 states and 2040 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:58,114 INFO L93 Difference]: Finished difference Result 2876 states and 4948 transitions. [2024-12-02 11:35:58,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:58,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-12-02 11:35:58,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:58,124 INFO L225 Difference]: With dead ends: 2876 [2024-12-02 11:35:58,124 INFO L226 Difference]: Without dead ends: 1802 [2024-12-02 11:35:58,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:58,127 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 122 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:58,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1066 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2024-12-02 11:35:58,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1794. [2024-12-02 11:35:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1424 states have (on average 1.6671348314606742) internal successors, (2374), 1429 states have internal predecessors, (2374), 342 states have call successors, (342), 24 states have call predecessors, (342), 27 states have return successors, (373), 340 states have call predecessors, (373), 341 states have call successors, (373) [2024-12-02 11:35:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 3089 transitions. [2024-12-02 11:35:58,193 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 3089 transitions. Word has length 156 [2024-12-02 11:35:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:58,193 INFO L471 AbstractCegarLoop]: Abstraction has 1794 states and 3089 transitions. [2024-12-02 11:35:58,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 3089 transitions. [2024-12-02 11:35:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 11:35:58,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:58,201 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:58,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:35:58,201 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:58,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2124518607, now seen corresponding path program 1 times [2024-12-02 11:35:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:58,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292153565] [2024-12-02 11:35:58,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:35:58,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292153565] [2024-12-02 11:35:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292153565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:58,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:58,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:35:58,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491591292] [2024-12-02 11:35:58,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:58,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:58,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:58,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:58,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:58,251 INFO L87 Difference]: Start difference. First operand 1794 states and 3089 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:35:58,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:58,333 INFO L93 Difference]: Finished difference Result 4273 states and 7420 transitions. [2024-12-02 11:35:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:58,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2024-12-02 11:35:58,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:58,350 INFO L225 Difference]: With dead ends: 4273 [2024-12-02 11:35:58,350 INFO L226 Difference]: Without dead ends: 2720 [2024-12-02 11:35:58,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:58,357 INFO L435 NwaCegarLoop]: 535 mSDtfsCounter, 120 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:58,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1061 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:58,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2024-12-02 11:35:58,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2712. [2024-12-02 11:35:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2180 states have (on average 1.6752293577981652) internal successors, (3652), 2185 states have internal predecessors, (3652), 504 states have call successors, (504), 24 states have call predecessors, (504), 27 states have return successors, (551), 502 states have call predecessors, (551), 503 states have call successors, (551) [2024-12-02 11:35:58,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 4707 transitions. [2024-12-02 11:35:58,493 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 4707 transitions. Word has length 138 [2024-12-02 11:35:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:58,493 INFO L471 AbstractCegarLoop]: Abstraction has 2712 states and 4707 transitions. [2024-12-02 11:35:58,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:35:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 4707 transitions. [2024-12-02 11:35:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 11:35:58,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:58,509 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:58,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:35:58,510 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:58,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2122168425, now seen corresponding path program 1 times [2024-12-02 11:35:58,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:58,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780054098] [2024-12-02 11:35:58,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:58,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:58,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:58,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780054098] [2024-12-02 11:35:58,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780054098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:58,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:58,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:35:58,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196925734] [2024-12-02 11:35:58,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:58,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:58,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:58,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:58,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:58,581 INFO L87 Difference]: Start difference. First operand 2712 states and 4707 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:58,704 INFO L93 Difference]: Finished difference Result 6476 states and 11326 transitions. [2024-12-02 11:35:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:58,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-12-02 11:35:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:58,730 INFO L225 Difference]: With dead ends: 6476 [2024-12-02 11:35:58,730 INFO L226 Difference]: Without dead ends: 4202 [2024-12-02 11:35:58,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:58,741 INFO L435 NwaCegarLoop]: 535 mSDtfsCounter, 118 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:58,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1061 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:58,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4202 states. [2024-12-02 11:35:58,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4202 to 4194. [2024-12-02 11:35:58,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4194 states, 3417 states have (on average 1.6810067310506291) internal successors, (5744), 3422 states have internal predecessors, (5744), 749 states have call successors, (749), 24 states have call predecessors, (749), 27 states have return successors, (822), 747 states have call predecessors, (822), 748 states have call successors, (822) [2024-12-02 11:35:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 7315 transitions. [2024-12-02 11:35:58,974 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 7315 transitions. Word has length 158 [2024-12-02 11:35:58,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:58,974 INFO L471 AbstractCegarLoop]: Abstraction has 4194 states and 7315 transitions. [2024-12-02 11:35:58,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 7315 transitions. [2024-12-02 11:35:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 11:35:58,996 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:58,997 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:58,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:35:58,997 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:58,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:58,997 INFO L85 PathProgramCache]: Analyzing trace with hash 423942193, now seen corresponding path program 1 times [2024-12-02 11:35:58,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:58,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119076224] [2024-12-02 11:35:58,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:35:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:59,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119076224] [2024-12-02 11:35:59,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119076224] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:59,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:59,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:35:59,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567591336] [2024-12-02 11:35:59,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:59,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:59,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:59,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:59,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:59,067 INFO L87 Difference]: Start difference. First operand 4194 states and 7315 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:59,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:59,266 INFO L93 Difference]: Finished difference Result 10415 states and 18261 transitions. [2024-12-02 11:35:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:35:59,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-12-02 11:35:59,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:59,304 INFO L225 Difference]: With dead ends: 10415 [2024-12-02 11:35:59,305 INFO L226 Difference]: Without dead ends: 6880 [2024-12-02 11:35:59,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:59,318 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 116 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:59,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1087 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:35:59,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6880 states. [2024-12-02 11:35:59,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6880 to 6872. [2024-12-02 11:35:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6872 states, 5602 states have (on average 1.67690110674759) internal successors, (9394), 5607 states have internal predecessors, (9394), 1242 states have call successors, (1242), 24 states have call predecessors, (1242), 27 states have return successors, (1359), 1240 states have call predecessors, (1359), 1241 states have call successors, (1359) [2024-12-02 11:35:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6872 states to 6872 states and 11995 transitions. [2024-12-02 11:35:59,684 INFO L78 Accepts]: Start accepts. Automaton has 6872 states and 11995 transitions. Word has length 159 [2024-12-02 11:35:59,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:59,684 INFO L471 AbstractCegarLoop]: Abstraction has 6872 states and 11995 transitions. [2024-12-02 11:35:59,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:35:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6872 states and 11995 transitions. [2024-12-02 11:35:59,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 11:35:59,724 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:59,724 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:59,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 11:35:59,724 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:59,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:59,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1295915527, now seen corresponding path program 1 times [2024-12-02 11:35:59,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:59,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666686888] [2024-12-02 11:35:59,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:59,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:35:59,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:59,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666686888] [2024-12-02 11:35:59,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666686888] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:59,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:59,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:35:59,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80255769] [2024-12-02 11:35:59,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:59,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:35:59,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:59,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:35:59,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:35:59,815 INFO L87 Difference]: Start difference. First operand 6872 states and 11995 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:00,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:00,150 INFO L93 Difference]: Finished difference Result 17422 states and 30589 transitions. [2024-12-02 11:36:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:36:00,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2024-12-02 11:36:00,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:00,213 INFO L225 Difference]: With dead ends: 17422 [2024-12-02 11:36:00,213 INFO L226 Difference]: Without dead ends: 11570 [2024-12-02 11:36:00,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:00,239 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 114 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:00,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1066 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:00,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11570 states. [2024-12-02 11:36:00,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11570 to 11562. [2024-12-02 11:36:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11562 states, 9470 states have (on average 1.6766631467793032) internal successors, (15878), 9475 states have internal predecessors, (15878), 2064 states have call successors, (2064), 24 states have call predecessors, (2064), 27 states have return successors, (2259), 2062 states have call predecessors, (2259), 2063 states have call successors, (2259) [2024-12-02 11:36:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11562 states to 11562 states and 20201 transitions. [2024-12-02 11:36:00,796 INFO L78 Accepts]: Start accepts. Automaton has 11562 states and 20201 transitions. Word has length 141 [2024-12-02 11:36:00,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:00,796 INFO L471 AbstractCegarLoop]: Abstraction has 11562 states and 20201 transitions. [2024-12-02 11:36:00,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11562 states and 20201 transitions. [2024-12-02 11:36:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 11:36:00,833 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:00,833 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:00,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 11:36:00,833 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:00,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:00,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1580825903, now seen corresponding path program 1 times [2024-12-02 11:36:00,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:00,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140896458] [2024-12-02 11:36:00,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:00,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:36:00,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:00,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140896458] [2024-12-02 11:36:00,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140896458] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:00,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:00,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:36:00,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856548221] [2024-12-02 11:36:00,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:00,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:36:00,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:00,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:36:00,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:00,897 INFO L87 Difference]: Start difference. First operand 11562 states and 20201 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:01,273 INFO L93 Difference]: Finished difference Result 27617 states and 48195 transitions. [2024-12-02 11:36:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:36:01,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-12-02 11:36:01,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:01,330 INFO L225 Difference]: With dead ends: 27617 [2024-12-02 11:36:01,331 INFO L226 Difference]: Without dead ends: 17997 [2024-12-02 11:36:01,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:01,352 INFO L435 NwaCegarLoop]: 535 mSDtfsCounter, 112 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:01,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1036 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17997 states. [2024-12-02 11:36:02,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17997 to 17989. [2024-12-02 11:36:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17989 states, 14694 states have (on average 1.6522390091193684) internal successors, (24278), 14699 states have internal predecessors, (24278), 3267 states have call successors, (3267), 24 states have call predecessors, (3267), 27 states have return successors, (3606), 3265 states have call predecessors, (3606), 3266 states have call successors, (3606) [2024-12-02 11:36:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17989 states to 17989 states and 31151 transitions. [2024-12-02 11:36:02,162 INFO L78 Accepts]: Start accepts. Automaton has 17989 states and 31151 transitions. Word has length 142 [2024-12-02 11:36:02,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:02,162 INFO L471 AbstractCegarLoop]: Abstraction has 17989 states and 31151 transitions. [2024-12-02 11:36:02,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 17989 states and 31151 transitions. [2024-12-02 11:36:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 11:36:02,210 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:02,210 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:02,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:36:02,211 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:02,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:02,211 INFO L85 PathProgramCache]: Analyzing trace with hash 487867738, now seen corresponding path program 1 times [2024-12-02 11:36:02,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:02,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692465057] [2024-12-02 11:36:02,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:02,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:36:02,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:02,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692465057] [2024-12-02 11:36:02,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692465057] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:02,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:02,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:36:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925561230] [2024-12-02 11:36:02,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:02,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:36:02,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:02,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:36:02,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:02,301 INFO L87 Difference]: Start difference. First operand 17989 states and 31151 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:03,051 INFO L93 Difference]: Finished difference Result 47599 states and 82719 transitions. [2024-12-02 11:36:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:36:03,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2024-12-02 11:36:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:03,143 INFO L225 Difference]: With dead ends: 47599 [2024-12-02 11:36:03,143 INFO L226 Difference]: Without dead ends: 32130 [2024-12-02 11:36:03,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:03,169 INFO L435 NwaCegarLoop]: 535 mSDtfsCounter, 110 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:03,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1064 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:03,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32130 states. [2024-12-02 11:36:03,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32130 to 32122. [2024-12-02 11:36:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32122 states, 26377 states have (on average 1.6484816317246085) internal successors, (43482), 26382 states have internal predecessors, (43482), 5717 states have call successors, (5717), 24 states have call predecessors, (5717), 27 states have return successors, (6330), 5715 states have call predecessors, (6330), 5716 states have call successors, (6330) [2024-12-02 11:36:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32122 states to 32122 states and 55529 transitions. [2024-12-02 11:36:04,086 INFO L78 Accepts]: Start accepts. Automaton has 32122 states and 55529 transitions. Word has length 143 [2024-12-02 11:36:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:04,086 INFO L471 AbstractCegarLoop]: Abstraction has 32122 states and 55529 transitions. [2024-12-02 11:36:04,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32122 states and 55529 transitions. [2024-12-02 11:36:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 11:36:04,119 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:04,119 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:04,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 11:36:04,120 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:04,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:04,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1230762409, now seen corresponding path program 1 times [2024-12-02 11:36:04,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:04,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914510512] [2024-12-02 11:36:04,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:04,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:36:04,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:04,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914510512] [2024-12-02 11:36:04,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914510512] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:04,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:04,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:36:04,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175986267] [2024-12-02 11:36:04,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:04,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:36:04,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:04,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:36:04,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:04,168 INFO L87 Difference]: Start difference. First operand 32122 states and 55529 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:05,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:05,753 INFO L93 Difference]: Finished difference Result 87661 states and 151986 transitions. [2024-12-02 11:36:05,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:36:05,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2024-12-02 11:36:05,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:06,040 INFO L225 Difference]: With dead ends: 87661 [2024-12-02 11:36:06,040 INFO L226 Difference]: Without dead ends: 58898 [2024-12-02 11:36:06,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:06,123 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 108 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:06,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1067 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58898 states. [2024-12-02 11:36:07,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58898 to 58890. [2024-12-02 11:36:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58890 states, 48632 states have (on average 1.6436913966112847) internal successors, (79936), 48637 states have internal predecessors, (79936), 10230 states have call successors, (10230), 24 states have call predecessors, (10230), 27 states have return successors, (11375), 10228 states have call predecessors, (11375), 10229 states have call successors, (11375) [2024-12-02 11:36:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58890 states to 58890 states and 101541 transitions. [2024-12-02 11:36:08,138 INFO L78 Accepts]: Start accepts. Automaton has 58890 states and 101541 transitions. Word has length 144 [2024-12-02 11:36:08,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:08,139 INFO L471 AbstractCegarLoop]: Abstraction has 58890 states and 101541 transitions. [2024-12-02 11:36:08,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 58890 states and 101541 transitions. [2024-12-02 11:36:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 11:36:08,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:08,201 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:08,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 11:36:08,201 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:08,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1645759676, now seen corresponding path program 1 times [2024-12-02 11:36:08,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:08,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653174175] [2024-12-02 11:36:08,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:36:08,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:08,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653174175] [2024-12-02 11:36:08,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653174175] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:08,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:08,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:36:08,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519454579] [2024-12-02 11:36:08,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:08,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:36:08,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:08,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:36:08,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:08,251 INFO L87 Difference]: Start difference. First operand 58890 states and 101541 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:36:10,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:10,471 INFO L93 Difference]: Finished difference Result 110233 states and 190476 transitions. [2024-12-02 11:36:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:36:10,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-12-02 11:36:10,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:11,018 INFO L225 Difference]: With dead ends: 110233 [2024-12-02 11:36:11,019 INFO L226 Difference]: Without dead ends: 110068 [2024-12-02 11:36:11,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:36:11,045 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 103 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:11,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1078 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:11,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110068 states. [2024-12-02 11:36:13,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110068 to 110060. [2024-12-02 11:36:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110060 states, 91434 states have (on average 1.6378480652711245) internal successors, (149755), 91439 states have internal predecessors, (149755), 18598 states have call successors, (18598), 24 states have call predecessors, (18598), 27 states have return successors, (20789), 18596 states have call predecessors, (20789), 18597 states have call successors, (20789) [2024-12-02 11:36:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110060 states to 110060 states and 189142 transitions. [2024-12-02 11:36:13,994 INFO L78 Accepts]: Start accepts. Automaton has 110060 states and 189142 transitions. Word has length 164 [2024-12-02 11:36:13,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:13,995 INFO L471 AbstractCegarLoop]: Abstraction has 110060 states and 189142 transitions. [2024-12-02 11:36:13,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:36:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 110060 states and 189142 transitions. [2024-12-02 11:36:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 11:36:14,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:14,075 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:14,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 11:36:14,076 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:14,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:14,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1355674454, now seen corresponding path program 1 times [2024-12-02 11:36:14,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:14,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90061470] [2024-12-02 11:36:14,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:36:14,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:14,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90061470] [2024-12-02 11:36:14,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90061470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:14,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:14,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:36:14,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725051772] [2024-12-02 11:36:14,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:14,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:36:14,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:14,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:36:14,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:36:14,236 INFO L87 Difference]: Start difference. First operand 110060 states and 189142 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:36:18,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:18,353 INFO L93 Difference]: Finished difference Result 211942 states and 365699 transitions. [2024-12-02 11:36:18,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:36:18,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2024-12-02 11:36:18,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:19,171 INFO L225 Difference]: With dead ends: 211942 [2024-12-02 11:36:19,172 INFO L226 Difference]: Without dead ends: 211785 [2024-12-02 11:36:19,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:19,221 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 482 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:19,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2761 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:36:19,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211785 states. [2024-12-02 11:36:25,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211785 to 211777. [2024-12-02 11:36:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211777 states, 176028 states have (on average 1.6408809962051492) internal successors, (288841), 175979 states have internal predecessors, (288841), 35698 states have call successors, (35698), 46 states have call predecessors, (35698), 50 states have return successors, (38981), 35751 states have call predecessors, (38981), 35696 states have call successors, (38981) [2024-12-02 11:36:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211777 states to 211777 states and 363520 transitions. [2024-12-02 11:36:26,179 INFO L78 Accepts]: Start accepts. Automaton has 211777 states and 363520 transitions. Word has length 165 [2024-12-02 11:36:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:26,179 INFO L471 AbstractCegarLoop]: Abstraction has 211777 states and 363520 transitions. [2024-12-02 11:36:26,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 11:36:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 211777 states and 363520 transitions. [2024-12-02 11:36:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 11:36:26,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:26,271 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:26,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 11:36:26,272 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:26,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash -554289612, now seen corresponding path program 1 times [2024-12-02 11:36:26,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:26,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731373380] [2024-12-02 11:36:26,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:26,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 11:36:26,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:26,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731373380] [2024-12-02 11:36:26,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731373380] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:26,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:26,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 11:36:26,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232687701] [2024-12-02 11:36:26,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:26,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:36:26,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:26,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:36:26,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:36:26,484 INFO L87 Difference]: Start difference. First operand 211777 states and 363520 transitions. Second operand has 10 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 11:36:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:30,706 INFO L93 Difference]: Finished difference Result 212148 states and 364053 transitions. [2024-12-02 11:36:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:36:30,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 166 [2024-12-02 11:36:30,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:31,487 INFO L225 Difference]: With dead ends: 212148 [2024-12-02 11:36:31,487 INFO L226 Difference]: Without dead ends: 211826 [2024-12-02 11:36:31,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-12-02 11:36:31,563 INFO L435 NwaCegarLoop]: 504 mSDtfsCounter, 589 mSDsluCounter, 3482 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 3986 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:31,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 3986 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 11:36:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211826 states. [2024-12-02 11:36:37,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211826 to 211826. [2024-12-02 11:36:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211826 states, 176064 states have (on average 1.640846510359869) internal successors, (288894), 176018 states have internal predecessors, (288894), 35709 states have call successors, (35709), 48 states have call predecessors, (35709), 52 states have return successors, (38990), 35759 states have call predecessors, (38990), 35703 states have call successors, (38990) [2024-12-02 11:36:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211826 states to 211826 states and 363593 transitions. [2024-12-02 11:36:38,343 INFO L78 Accepts]: Start accepts. Automaton has 211826 states and 363593 transitions. Word has length 166 [2024-12-02 11:36:38,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:38,343 INFO L471 AbstractCegarLoop]: Abstraction has 211826 states and 363593 transitions. [2024-12-02 11:36:38,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 11:36:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 211826 states and 363593 transitions. [2024-12-02 11:36:38,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:36:38,407 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:38,407 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:38,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 11:36:38,408 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:38,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:38,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1167893192, now seen corresponding path program 1 times [2024-12-02 11:36:38,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:38,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84045595] [2024-12-02 11:36:38,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:36:38,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:38,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84045595] [2024-12-02 11:36:38,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84045595] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:38,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:38,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:36:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563907986] [2024-12-02 11:36:38,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:38,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:36:38,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:38,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:36:38,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:36:38,528 INFO L87 Difference]: Start difference. First operand 211826 states and 363593 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:42,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:42,499 INFO L93 Difference]: Finished difference Result 212150 states and 364055 transitions. [2024-12-02 11:36:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:36:42,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 146 [2024-12-02 11:36:42,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:43,205 INFO L225 Difference]: With dead ends: 212150 [2024-12-02 11:36:43,205 INFO L226 Difference]: Without dead ends: 211826 [2024-12-02 11:36:43,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:36:43,264 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 0 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2125 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:43,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2125 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:36:43,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211826 states. [2024-12-02 11:36:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211826 to 211826. [2024-12-02 11:36:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211826 states, 176064 states have (on average 1.640835150854235) internal successors, (288892), 176018 states have internal predecessors, (288892), 35709 states have call successors, (35709), 48 states have call predecessors, (35709), 52 states have return successors, (38990), 35759 states have call predecessors, (38990), 35703 states have call successors, (38990) [2024-12-02 11:36:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211826 states to 211826 states and 363591 transitions. [2024-12-02 11:36:49,582 INFO L78 Accepts]: Start accepts. Automaton has 211826 states and 363591 transitions. Word has length 146 [2024-12-02 11:36:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:49,582 INFO L471 AbstractCegarLoop]: Abstraction has 211826 states and 363591 transitions. [2024-12-02 11:36:49,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 11:36:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 211826 states and 363591 transitions. [2024-12-02 11:36:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 11:36:49,680 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:49,680 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:49,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 11:36:49,680 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:49,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:49,681 INFO L85 PathProgramCache]: Analyzing trace with hash 19659261, now seen corresponding path program 1 times [2024-12-02 11:36:49,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:49,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346798053] [2024-12-02 11:36:49,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:49,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:36:49,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:49,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346798053] [2024-12-02 11:36:49,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346798053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:36:49,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:36:49,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:36:49,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079610566] [2024-12-02 11:36:49,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:36:49,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:36:49,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:49,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:36:49,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:36:49,878 INFO L87 Difference]: Start difference. First operand 211826 states and 363591 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 11:36:54,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:54,098 INFO L93 Difference]: Finished difference Result 212486 states and 364525 transitions. [2024-12-02 11:36:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:36:54,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 153 [2024-12-02 11:36:54,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:54,710 INFO L225 Difference]: With dead ends: 212486 [2024-12-02 11:36:54,710 INFO L226 Difference]: Without dead ends: 212162 [2024-12-02 11:36:54,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:36:54,774 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 463 mSDsluCounter, 1866 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:54,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 2451 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 11:36:55,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212162 states. [2024-12-02 11:37:00,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212162 to 212152. [2024-12-02 11:37:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212152 states, 176316 states have (on average 1.6405884888495657) internal successors, (289262), 176272 states have internal predecessors, (289262), 35752 states have call successors, (35752), 74 states have call predecessors, (35752), 83 states have return successors, (39040), 35805 states have call predecessors, (39040), 35740 states have call successors, (39040) [2024-12-02 11:37:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212152 states to 212152 states and 364054 transitions. [2024-12-02 11:37:01,627 INFO L78 Accepts]: Start accepts. Automaton has 212152 states and 364054 transitions. Word has length 153 [2024-12-02 11:37:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:01,627 INFO L471 AbstractCegarLoop]: Abstraction has 212152 states and 364054 transitions. [2024-12-02 11:37:01,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 11:37:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 212152 states and 364054 transitions. [2024-12-02 11:37:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 11:37:01,730 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:01,730 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:01,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 11:37:01,731 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:01,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:01,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1845721390, now seen corresponding path program 1 times [2024-12-02 11:37:01,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:01,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954096216] [2024-12-02 11:37:01,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:01,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:37:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 11:37:02,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:37:02,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954096216] [2024-12-02 11:37:02,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954096216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:02,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:02,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 11:37:02,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957027930] [2024-12-02 11:37:02,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:02,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 11:37:02,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:37:02,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 11:37:02,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-12-02 11:37:02,017 INFO L87 Difference]: Start difference. First operand 212152 states and 364054 transitions. Second operand has 15 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 9 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) [2024-12-02 11:37:06,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:06,872 INFO L93 Difference]: Finished difference Result 212954 states and 365193 transitions. [2024-12-02 11:37:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 11:37:06,873 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 9 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) Word has length 154 [2024-12-02 11:37:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:07,496 INFO L225 Difference]: With dead ends: 212954 [2024-12-02 11:37:07,496 INFO L226 Difference]: Without dead ends: 212304 [2024-12-02 11:37:07,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-12-02 11:37:07,569 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 132 mSDsluCounter, 6942 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 7479 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:07,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 7479 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:37:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212304 states. [2024-12-02 11:37:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212304 to 212302. [2024-12-02 11:37:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212302 states, 176429 states have (on average 1.6403709140787512) internal successors, (289409), 176390 states have internal predecessors, (289409), 35781 states have call successors, (35781), 77 states have call predecessors, (35781), 91 states have return successors, (39073), 35834 states have call predecessors, (39073), 35769 states have call successors, (39073) [2024-12-02 11:37:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212302 states to 212302 states and 364263 transitions. [2024-12-02 11:37:13,957 INFO L78 Accepts]: Start accepts. Automaton has 212302 states and 364263 transitions. Word has length 154 [2024-12-02 11:37:13,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:13,957 INFO L471 AbstractCegarLoop]: Abstraction has 212302 states and 364263 transitions. [2024-12-02 11:37:13,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 9 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 7 states have call predecessors, (16), 8 states have call successors, (16) [2024-12-02 11:37:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 212302 states and 364263 transitions. [2024-12-02 11:37:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 11:37:14,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:14,147 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:14,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 11:37:14,147 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:14,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:14,148 INFO L85 PathProgramCache]: Analyzing trace with hash -820311286, now seen corresponding path program 1 times [2024-12-02 11:37:14,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:14,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639918012] [2024-12-02 11:37:14,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:37:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-02 11:37:14,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:37:14,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639918012] [2024-12-02 11:37:14,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639918012] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:14,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:14,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:37:14,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659561887] [2024-12-02 11:37:14,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:14,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:37:14,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:37:14,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:37:14,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:37:14,328 INFO L87 Difference]: Start difference. First operand 212302 states and 364263 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 11:37:18,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:37:18,829 INFO L93 Difference]: Finished difference Result 213942 states and 366585 transitions. [2024-12-02 11:37:18,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:37:18,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 178 [2024-12-02 11:37:18,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:37:19,392 INFO L225 Difference]: With dead ends: 213942 [2024-12-02 11:37:19,392 INFO L226 Difference]: Without dead ends: 213157 [2024-12-02 11:37:19,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:37:19,453 INFO L435 NwaCegarLoop]: 705 mSDtfsCounter, 467 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:37:19,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 2916 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:37:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213157 states. [2024-12-02 11:37:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213157 to 213147. [2024-12-02 11:37:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213147 states, 177077 states have (on average 1.6395805214680619) internal successors, (290332), 177049 states have internal predecessors, (290332), 35904 states have call successors, (35904), 132 states have call predecessors, (35904), 165 states have return successors, (39215), 35965 states have call predecessors, (39215), 35880 states have call successors, (39215) [2024-12-02 11:37:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213147 states to 213147 states and 365451 transitions. [2024-12-02 11:37:26,404 INFO L78 Accepts]: Start accepts. Automaton has 213147 states and 365451 transitions. Word has length 178 [2024-12-02 11:37:26,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:37:26,405 INFO L471 AbstractCegarLoop]: Abstraction has 213147 states and 365451 transitions. [2024-12-02 11:37:26,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 11:37:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 213147 states and 365451 transitions. [2024-12-02 11:37:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-02 11:37:26,630 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:37:26,630 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:37:26,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 11:37:26,630 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:37:26,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:37:26,631 INFO L85 PathProgramCache]: Analyzing trace with hash 993375285, now seen corresponding path program 1 times [2024-12-02 11:37:26,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:37:26,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506629659] [2024-12-02 11:37:26,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:37:26,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:37:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:37:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-02 11:37:26,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:37:26,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506629659] [2024-12-02 11:37:26,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506629659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:37:26,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:37:26,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 11:37:26,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420354349] [2024-12-02 11:37:26,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:37:26,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 11:37:26,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:37:26,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 11:37:26,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:37:26,859 INFO L87 Difference]: Start difference. First operand 213147 states and 365451 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 8 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19)