./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:40:26,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:40:26,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:40:26,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:40:26,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:40:26,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:40:26,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:40:26,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:40:26,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:40:26,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:40:26,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:40:26,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:40:26,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:40:26,681 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:26,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:40:26,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:40:26,681 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 [2025-02-05 15:40:26,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:40:26,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:40:26,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:40:26,943 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:40:26,944 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:40:26,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2025-02-05 15:40:28,232 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fbc46d5d/cc7bcf04ddc04e008ff48dcd88ba5432/FLAG38f88acdb [2025-02-05 15:40:28,548 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:40:28,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2025-02-05 15:40:28,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fbc46d5d/cc7bcf04ddc04e008ff48dcd88ba5432/FLAG38f88acdb [2025-02-05 15:40:28,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fbc46d5d/cc7bcf04ddc04e008ff48dcd88ba5432 [2025-02-05 15:40:28,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:40:28,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:40:28,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:28,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:40:28,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:40:28,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:28" (1/1) ... [2025-02-05 15:40:28,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca01079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:28, skipping insertion in model container [2025-02-05 15:40:28,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:28" (1/1) ... [2025-02-05 15:40:28,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:40:29,191 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2025-02-05 15:40:29,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:29,323 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:40:29,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2025-02-05 15:40:29,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [202] [2025-02-05 15:40:29,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [394] [2025-02-05 15:40:29,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [429] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [841] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1003] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1024] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1033] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1050] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1416] [2025-02-05 15:40:29,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2491] [2025-02-05 15:40:29,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2025-02-05 15:40:29,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:29,437 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:40:29,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29 WrapperNode [2025-02-05 15:40:29,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:29,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:29,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:40:29,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:40:29,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,494 INFO L138 Inliner]: procedures = 107, calls = 113, calls flagged for inlining = 35, calls inlined = 27, statements flattened = 523 [2025-02-05 15:40:29,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:29,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:40:29,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:40:29,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:40:29,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,521 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2025-02-05 15:40:29,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,530 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:40:29,542 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:40:29,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:40:29,542 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:40:29,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (1/1) ... [2025-02-05 15:40:29,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:29,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:40:29,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:40:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:40:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:40:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:40:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:40:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:40:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:40:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:40:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:40:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:40:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:40:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:40:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:40:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:40:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:40:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:40:29,699 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:40:29,701 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:40:29,783 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2468-1: getClientId_#res#1 := getClientId_~retValue_acc~38#1; [2025-02-05 15:40:29,783 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1986-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~30#1; [2025-02-05 15:40:29,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552-1: createEmail_#res#1 := createEmail_~retValue_acc~41#1; [2025-02-05 15:40:29,991 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L961-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~15#1; [2025-02-05 15:40:29,991 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~16#1; [2025-02-05 15:40:29,991 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L979-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~17#1; [2025-02-05 15:40:29,991 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L426-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2025-02-05 15:40:30,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L559: #res := ~retValue_acc~6; [2025-02-05 15:40:30,013 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L522: #res := ~retValue_acc~5; [2025-02-05 15:40:30,016 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2528: #res := ~retValue_acc~39; [2025-02-05 15:40:30,053 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2025-02-05 15:40:30,054 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:40:30,062 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:40:30,063 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:40:30,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:30 BoogieIcfgContainer [2025-02-05 15:40:30,063 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:40:30,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:40:30,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:40:30,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:40:30,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:40:28" (1/3) ... [2025-02-05 15:40:30,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba25fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:30, skipping insertion in model container [2025-02-05 15:40:30,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:29" (2/3) ... [2025-02-05 15:40:30,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba25fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:30, skipping insertion in model container [2025-02-05 15:40:30,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:30" (3/3) ... [2025-02-05 15:40:30,070 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2025-02-05 15:40:30,082 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:40:30,084 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product03.cil.c that has 9 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:40:30,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:40:30,134 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;@1362639c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:40:30,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:40:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 103 states have (on average 1.4757281553398058) internal successors, (152), 105 states have internal predecessors, (152), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-05 15:40:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-05 15:40:30,144 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:30,145 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:30,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:30,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:30,149 INFO L85 PathProgramCache]: Analyzing trace with hash 487220847, now seen corresponding path program 1 times [2025-02-05 15:40:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:30,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326296508] [2025-02-05 15:40:30,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:30,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:30,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-05 15:40:30,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-05 15:40:30,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:30,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-05 15:40:30,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:30,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326296508] [2025-02-05 15:40:30,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326296508] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:30,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814423326] [2025-02-05 15:40:30,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:30,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:30,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:30,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:30,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 15:40:30,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-05 15:40:30,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-05 15:40:30,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:30,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:30,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:40:30,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-05 15:40:30,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:30,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814423326] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:30,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:30,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:40:30,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697389704] [2025-02-05 15:40:30,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:30,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:40:30,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:30,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:40:30,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:30,811 INFO L87 Difference]: Start difference. First operand has 126 states, 103 states have (on average 1.4757281553398058) internal successors, (152), 105 states have internal predecessors, (152), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-05 15:40:30,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:30,838 INFO L93 Difference]: Finished difference Result 203 states and 277 transitions. [2025-02-05 15:40:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:40:30,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-02-05 15:40:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:30,845 INFO L225 Difference]: With dead ends: 203 [2025-02-05 15:40:30,848 INFO L226 Difference]: Without dead ends: 119 [2025-02-05 15:40:30,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:30,856 INFO L435 NwaCegarLoop]: 175 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, 175 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 [2025-02-05 15:40:30,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:30,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-05 15:40:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-02-05 15:40:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 states have internal predecessors, (142), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-05 15:40:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2025-02-05 15:40:30,889 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 69 [2025-02-05 15:40:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:30,890 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2025-02-05 15:40:30,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-05 15:40:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2025-02-05 15:40:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-05 15:40:30,892 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:30,892 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:30,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 15:40:31,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 15:40:31,094 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:31,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:31,095 INFO L85 PathProgramCache]: Analyzing trace with hash -631672932, now seen corresponding path program 1 times [2025-02-05 15:40:31,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:31,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033412362] [2025-02-05 15:40:31,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:31,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:31,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-05 15:40:31,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-05 15:40:31,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:31,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-05 15:40:31,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033412362] [2025-02-05 15:40:31,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033412362] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885801925] [2025-02-05 15:40:31,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:31,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:31,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:31,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 15:40:31,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-05 15:40:31,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-05 15:40:31,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:31,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:31,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:40:31,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-05 15:40:31,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:31,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885801925] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:31,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:31,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:40:31,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526180820] [2025-02-05 15:40:31,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:31,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:40:31,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:31,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:40:31,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:31,502 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-05 15:40:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:31,524 INFO L93 Difference]: Finished difference Result 192 states and 258 transitions. [2025-02-05 15:40:31,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:40:31,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2025-02-05 15:40:31,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:31,526 INFO L225 Difference]: With dead ends: 192 [2025-02-05 15:40:31,526 INFO L226 Difference]: Without dead ends: 121 [2025-02-05 15:40:31,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:31,527 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:31,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:31,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-05 15:40:31,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-02-05 15:40:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 100 states have internal predecessors, (144), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-05 15:40:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2025-02-05 15:40:31,536 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 70 [2025-02-05 15:40:31,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:31,536 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2025-02-05 15:40:31,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-05 15:40:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2025-02-05 15:40:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-05 15:40:31,538 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:31,538 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:31,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-05 15:40:31,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:31,739 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:31,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1477924128, now seen corresponding path program 1 times [2025-02-05 15:40:31,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:31,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670132564] [2025-02-05 15:40:31,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:31,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-05 15:40:31,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-05 15:40:31,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:31,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-05 15:40:31,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:31,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670132564] [2025-02-05 15:40:31,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670132564] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:31,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508931051] [2025-02-05 15:40:31,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:31,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:31,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:31,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:31,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 15:40:32,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-05 15:40:32,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-05 15:40:32,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:32,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:32,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:40:32,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-05 15:40:32,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:32,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508931051] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:32,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:32,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:40:32,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5834913] [2025-02-05 15:40:32,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:32,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:32,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:32,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:32,169 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-05 15:40:32,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:32,225 INFO L93 Difference]: Finished difference Result 235 states and 331 transitions. [2025-02-05 15:40:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:32,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2025-02-05 15:40:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:32,228 INFO L225 Difference]: With dead ends: 235 [2025-02-05 15:40:32,228 INFO L226 Difference]: Without dead ends: 123 [2025-02-05 15:40:32,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:32,229 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 2 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 625 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 [2025-02-05 15:40:32,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 625 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:32,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-05 15:40:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-02-05 15:40:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 100 states have (on average 1.45) internal successors, (145), 102 states have internal predecessors, (145), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2025-02-05 15:40:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2025-02-05 15:40:32,236 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 74 [2025-02-05 15:40:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:32,236 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2025-02-05 15:40:32,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-05 15:40:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2025-02-05 15:40:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-05 15:40:32,238 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:32,238 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-05 15:40:32,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-05 15:40:32,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:32,443 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:32,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash -939586269, now seen corresponding path program 1 times [2025-02-05 15:40:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:32,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591314189] [2025-02-05 15:40:32,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:32,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-05 15:40:32,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-05 15:40:32,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:32,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-05 15:40:32,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:32,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591314189] [2025-02-05 15:40:32,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591314189] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:32,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:32,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:40:32,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33326759] [2025-02-05 15:40:32,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:32,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:32,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:32,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:32,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:32,605 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-05 15:40:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:32,643 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2025-02-05 15:40:32,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:32,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2025-02-05 15:40:32,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:32,644 INFO L225 Difference]: With dead ends: 227 [2025-02-05 15:40:32,644 INFO L226 Difference]: Without dead ends: 123 [2025-02-05 15:40:32,645 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 [2025-02-05 15:40:32,645 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 629 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 [2025-02-05 15:40:32,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 629 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-05 15:40:32,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-02-05 15:40:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 100 states have (on average 1.45) internal successors, (145), 102 states have internal predecessors, (145), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-05 15:40:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 171 transitions. [2025-02-05 15:40:32,657 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 171 transitions. Word has length 75 [2025-02-05 15:40:32,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:32,657 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 171 transitions. [2025-02-05 15:40:32,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-05 15:40:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2025-02-05 15:40:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-05 15:40:32,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:32,658 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-05 15:40:32,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 15:40:32,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash 345769060, now seen corresponding path program 2 times [2025-02-05 15:40:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:32,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989352260] [2025-02-05 15:40:32,659 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:40:32,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:32,685 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-02-05 15:40:32,693 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 43 of 76 statements. [2025-02-05 15:40:32,696 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:40:32,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-05 15:40:32,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:32,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989352260] [2025-02-05 15:40:32,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989352260] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:32,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:32,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 15:40:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688022146] [2025-02-05 15:40:32,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:32,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 15:40:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:32,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 15:40:32,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:40:32,785 INFO L87 Difference]: Start difference. First operand 123 states and 171 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-05 15:40:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:32,818 INFO L93 Difference]: Finished difference Result 123 states and 171 transitions. [2025-02-05 15:40:32,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 15:40:32,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 76 [2025-02-05 15:40:32,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:32,819 INFO L225 Difference]: With dead ends: 123 [2025-02-05 15:40:32,819 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:40:32,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:40:32,822 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:40:32,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 957 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:32,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:40:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:40:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:40:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:40:32,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2025-02-05 15:40:32,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:32,823 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:40:32,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-05 15:40:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:40:32,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:40:32,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:40:32,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 15:40:32,829 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-02-05 15:40:32,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:40:32,860 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:40:32,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:40:32 BoogieIcfgContainer [2025-02-05 15:40:32,872 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:40:32,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:40:32,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:40:32,873 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:40:32,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:30" (3/4) ... [2025-02-05 15:40:32,875 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:40:32,879 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:40:32,891 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2025-02-05 15:40:32,892 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-02-05 15:40:32,892 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-05 15:40:32,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-05 15:40:32,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:32,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:32,988 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:40:32,988 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:40:32,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:40:32,989 INFO L158 Benchmark]: Toolchain (without parser) took 4156.98ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 84.2MB in the end (delta: 47.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2025-02-05 15:40:32,989 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 226.5MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:32,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.21ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 96.9MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 15:40:32,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.21ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:32,990 INFO L158 Benchmark]: Boogie Preprocessor took 46.80ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 90.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:32,990 INFO L158 Benchmark]: IcfgBuilder took 521.07ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 54.6MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 15:40:32,990 INFO L158 Benchmark]: TraceAbstraction took 2807.34ms. Allocated memory is still 167.8MB. Free memory was 54.1MB in the beginning and 95.3MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:32,990 INFO L158 Benchmark]: Witness Printer took 115.96ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 84.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:32,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 226.5MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.21ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 96.9MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.21ms. Allocated memory is still 167.8MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.80ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 90.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 521.07ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 54.6MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2807.34ms. Allocated memory is still 167.8MB. Free memory was 54.1MB in the beginning and 95.3MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.96ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 84.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] - GenericResultAtLocation [Line: 202]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [202] - GenericResultAtLocation [Line: 394]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [394] - GenericResultAtLocation [Line: 429]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [429] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [841] - GenericResultAtLocation [Line: 1003]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [1003] - GenericResultAtLocation [Line: 1024]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1024] - GenericResultAtLocation [Line: 1033]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1033] - GenericResultAtLocation [Line: 1050]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1050] - GenericResultAtLocation [Line: 1416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1416] - GenericResultAtLocation [Line: 2491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2491] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1029]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2716 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1895 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 821 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 577 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2275 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 128/137 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-05 15:40:33,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE