./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product19.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_spec0_product19.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 9deea958caebdff7c89a17deb67516eff149386872824a7682accca78686b765 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:39:46,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:39:46,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:39:46,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:39:46,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:39:46,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:39:46,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:39:46,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:39:46,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:39:46,335 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:39:46,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:39:46,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:39:46,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:39:46,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:39:46,336 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:39:46,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:39:46,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:39:46,336 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:39:46,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:39:46,338 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:39:46,338 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:39:46,338 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:39:46,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:39:46,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:39:46,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:39:46,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:39:46,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:39:46,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:39:46,339 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 -> 9deea958caebdff7c89a17deb67516eff149386872824a7682accca78686b765 [2025-02-05 15:39:46,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:39:46,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:39:46,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:39:46,641 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:39:46,641 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:39:46,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2025-02-05 15:39:47,965 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01af8f6e1/ab5e8124c94f4dc19790b1b332ee94c2/FLAG6a0b8e732 [2025-02-05 15:39:48,349 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:39:48,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2025-02-05 15:39:48,371 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01af8f6e1/ab5e8124c94f4dc19790b1b332ee94c2/FLAG6a0b8e732 [2025-02-05 15:39:48,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01af8f6e1/ab5e8124c94f4dc19790b1b332ee94c2 [2025-02-05 15:39:48,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:39:48,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:39:48,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:39:48,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:39:48,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:39:48,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:39:48" (1/1) ... [2025-02-05 15:39:48,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b232070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:48, skipping insertion in model container [2025-02-05 15:39:48,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:39:48" (1/1) ... [2025-02-05 15:39:48,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:39:48,915 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_spec0_product19.cil.c[39319,39332] [2025-02-05 15:39:49,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:39:49,055 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:39:49,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2025-02-05 15:39:49,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [167] [2025-02-05 15:39:49,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [467] [2025-02-05 15:39:49,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [505] [2025-02-05 15:39:49,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [797] [2025-02-05 15:39:49,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1864] [2025-02-05 15:39:49,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1873] [2025-02-05 15:39:49,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1890] [2025-02-05 15:39:49,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2106] [2025-02-05 15:39:49,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2125] [2025-02-05 15:39:49,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2491] [2025-02-05 15:39:49,137 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_spec0_product19.cil.c[39319,39332] [2025-02-05 15:39:49,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:39:49,211 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:39:49,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49 WrapperNode [2025-02-05 15:39:49,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:39:49,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:39:49,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:39:49,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:39:49,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,299 INFO L138 Inliner]: procedures = 127, calls = 184, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 999 [2025-02-05 15:39:49,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:39:49,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:39:49,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:39:49,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:39:49,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,336 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]. [2025-02-05 15:39:49,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,361 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:39:49,377 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:39:49,377 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:39:49,377 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:39:49,378 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (1/1) ... [2025-02-05 15:39:49,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:39:49,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:39:49,420 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 15:39:49,425 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 15:39:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:39:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:39:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:39:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:39:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:39:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:39:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-02-05 15:39:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-02-05 15:39:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-02-05 15:39:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-02-05 15:39:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-02-05 15:39:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-02-05 15:39:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:39:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:39:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:39:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 15:39:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-02-05 15:39:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-02-05 15:39:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:39:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:39:49,684 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:39:49,686 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:39:49,725 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2836: #res := ~retValue_acc~41; [2025-02-05 15:39:50,025 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1794-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~26#1; [2025-02-05 15:39:50,025 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1406-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~20#1; [2025-02-05 15:39:50,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~25#1; [2025-02-05 15:39:50,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~7#1; [2025-02-05 15:39:50,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2873-1: isVerified_#res#1 := isVerified_~retValue_acc~42#1; [2025-02-05 15:39:50,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1841-1: getClientId_#res#1 := getClientId_~retValue_acc~27#1; [2025-02-05 15:39:50,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2536-1: getEmailId_#res#1 := getEmailId_~retValue_acc~33#1; [2025-02-05 15:39:50,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: #res := ~retValue_acc~40; [2025-02-05 15:39:50,069 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2610: #res := ~retValue_acc~35; [2025-02-05 15:39:50,107 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1498: #res#1 := ~retValue_acc~22#1; [2025-02-05 15:39:50,108 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1453-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~21#1; [2025-02-05 15:39:50,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-1: createEmail_#res#1 := createEmail_~retValue_acc~2#1; [2025-02-05 15:39:50,475 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L327-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~4#1; [2025-02-05 15:39:50,475 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L336-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~5#1; [2025-02-05 15:39:50,475 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L345-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~6#1; [2025-02-05 15:39:50,476 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L502-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-02-05 15:39:50,476 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~24#1; [2025-02-05 15:39:50,476 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1561-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~23#1; [2025-02-05 15:39:50,486 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2573: #res := ~retValue_acc~34; [2025-02-05 15:39:50,489 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: #res := ~retValue_acc~0; [2025-02-05 15:39:50,631 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2025-02-05 15:39:50,631 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:39:50,651 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:39:50,652 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:39:50,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:39:50 BoogieIcfgContainer [2025-02-05 15:39:50,652 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:39:50,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:39:50,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:39:50,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:39:50,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:39:48" (1/3) ... [2025-02-05 15:39:50,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da37b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:39:50, skipping insertion in model container [2025-02-05 15:39:50,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:39:49" (2/3) ... [2025-02-05 15:39:50,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da37b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:39:50, skipping insertion in model container [2025-02-05 15:39:50,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:39:50" (3/3) ... [2025-02-05 15:39:50,662 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec0_product19.cil.c [2025-02-05 15:39:50,676 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:39:50,680 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product19.cil.c that has 17 procedures, 300 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:39:50,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:39:50,751 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;@7f125850, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:39:50,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:39:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 240 states have (on average 1.5333333333333334) internal successors, (368), 242 states have internal predecessors, (368), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-02-05 15:39:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-05 15:39:50,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:50,779 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2025-02-05 15:39:50,779 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:50,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:50,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1401496690, now seen corresponding path program 1 times [2025-02-05 15:39:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:50,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448536326] [2025-02-05 15:39:50,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:50,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:50,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-05 15:39:50,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-05 15:39:50,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:50,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-05 15:39:51,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:51,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448536326] [2025-02-05 15:39:51,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448536326] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:39:51,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317197344] [2025-02-05 15:39:51,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:51,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:51,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:39:51,557 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 15:39:51,559 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 15:39:51,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-05 15:39:51,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-05 15:39:51,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:51,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:51,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:39:51,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:39:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-05 15:39:51,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:39:51,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317197344] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:51,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:39:51,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:39:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362268316] [2025-02-05 15:39:51,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:51,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:39:51,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:51,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:39:51,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:39:51,990 INFO L87 Difference]: Start difference. First operand has 300 states, 240 states have (on average 1.5333333333333334) internal successors, (368), 242 states have internal predecessors, (368), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:39:52,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:52,040 INFO L93 Difference]: Finished difference Result 447 states and 660 transitions. [2025-02-05 15:39:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:39:52,046 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 104 [2025-02-05 15:39:52,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:52,060 INFO L225 Difference]: With dead ends: 447 [2025-02-05 15:39:52,060 INFO L226 Difference]: Without dead ends: 293 [2025-02-05 15:39:52,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 15:39:52,072 INFO L435 NwaCegarLoop]: 449 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, 449 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 15:39:52,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-02-05 15:39:52,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-02-05 15:39:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 235 states have internal predecessors, (358), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-05 15:39:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 441 transitions. [2025-02-05 15:39:52,137 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 441 transitions. Word has length 104 [2025-02-05 15:39:52,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:52,140 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 441 transitions. [2025-02-05 15:39:52,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:39:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 441 transitions. [2025-02-05 15:39:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-05 15:39:52,147 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:52,147 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2025-02-05 15:39:52,157 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 15:39:52,348 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 15:39:52,348 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:52,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:52,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1856214799, now seen corresponding path program 1 times [2025-02-05 15:39:52,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:52,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982685943] [2025-02-05 15:39:52,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:52,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-05 15:39:52,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-05 15:39:52,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:52,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-05 15:39:52,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:52,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982685943] [2025-02-05 15:39:52,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982685943] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:39:52,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547579814] [2025-02-05 15:39:52,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:39:52,643 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 15:39:52,646 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 15:39:52,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-05 15:39:52,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-05 15:39:52,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:52,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:52,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:39:52,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:39:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-05 15:39:53,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:39:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547579814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:53,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:39:53,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:39:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714161372] [2025-02-05 15:39:53,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:53,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:39:53,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:53,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:39:53,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:39:53,018 INFO L87 Difference]: Start difference. First operand 293 states and 441 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:39:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:53,092 INFO L93 Difference]: Finished difference Result 436 states and 641 transitions. [2025-02-05 15:39:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:39:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 105 [2025-02-05 15:39:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:53,099 INFO L225 Difference]: With dead ends: 436 [2025-02-05 15:39:53,099 INFO L226 Difference]: Without dead ends: 295 [2025-02-05 15:39:53,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 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 15:39:53,103 INFO L435 NwaCegarLoop]: 440 mSDtfsCounter, 0 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 878 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 15:39:53,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 878 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:53,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-02-05 15:39:53,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2025-02-05 15:39:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 236 states have (on average 1.5254237288135593) internal successors, (360), 237 states have internal predecessors, (360), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-05 15:39:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 443 transitions. [2025-02-05 15:39:53,126 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 443 transitions. Word has length 105 [2025-02-05 15:39:53,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:53,127 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 443 transitions. [2025-02-05 15:39:53,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:39:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 443 transitions. [2025-02-05 15:39:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-05 15:39:53,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:53,132 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] [2025-02-05 15:39:53,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 15:39:53,332 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 15:39:53,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:53,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:53,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1392863513, now seen corresponding path program 1 times [2025-02-05 15:39:53,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:53,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124732612] [2025-02-05 15:39:53,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:53,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-05 15:39:53,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-05 15:39:53,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:53,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:39:53,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:53,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124732612] [2025-02-05 15:39:53,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124732612] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:39:53,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137837832] [2025-02-05 15:39:53,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:53,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:39:53,574 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 15:39:53,578 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 15:39:53,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-05 15:39:53,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-05 15:39:53,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:53,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:53,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-05 15:39:53,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:39:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-05 15:39:53,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:39:53,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137837832] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:53,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:39:53,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:39:53,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834764904] [2025-02-05 15:39:53,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:53,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:39:53,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:53,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:39:53,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:39:53,931 INFO L87 Difference]: Start difference. First operand 295 states and 443 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:39:53,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:53,967 INFO L93 Difference]: Finished difference Result 619 states and 944 transitions. [2025-02-05 15:39:53,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:39:53,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 110 [2025-02-05 15:39:53,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:53,971 INFO L225 Difference]: With dead ends: 619 [2025-02-05 15:39:53,973 INFO L226 Difference]: Without dead ends: 351 [2025-02-05 15:39:53,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 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 15:39:53,977 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 107 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 845 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 [2025-02-05 15:39:53,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 845 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:53,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-05 15:39:54,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 343. [2025-02-05 15:39:54,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 273 states have (on average 1.5421245421245422) internal successors, (421), 274 states have internal predecessors, (421), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-05 15:39:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 526 transitions. [2025-02-05 15:39:54,013 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 526 transitions. Word has length 110 [2025-02-05 15:39:54,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:54,013 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 526 transitions. [2025-02-05 15:39:54,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-02-05 15:39:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 526 transitions. [2025-02-05 15:39:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-05 15:39:54,016 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:54,016 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] [2025-02-05 15:39:54,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-05 15:39:54,223 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 15:39:54,224 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:54,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:54,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1489415114, now seen corresponding path program 1 times [2025-02-05 15:39:54,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:54,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598383767] [2025-02-05 15:39:54,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:54,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:54,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-05 15:39:54,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-05 15:39:54,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:54,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:39:54,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:54,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598383767] [2025-02-05 15:39:54,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598383767] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:39:54,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39522286] [2025-02-05 15:39:54,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:54,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:54,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:39:54,434 INFO L229 MonitoredProcess]: Starting monitored process 5 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 15:39:54,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-05 15:39:54,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-05 15:39:54,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-05 15:39:54,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:54,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:54,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-05 15:39:54,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:39:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:39:54,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:39:54,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39522286] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:54,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:39:54,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:39:54,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454221328] [2025-02-05 15:39:54,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:54,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:39:54,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:54,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:39:54,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:39:54,831 INFO L87 Difference]: Start difference. First operand 343 states and 526 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:39:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:54,895 INFO L93 Difference]: Finished difference Result 677 states and 1042 transitions. [2025-02-05 15:39:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:39:54,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 111 [2025-02-05 15:39:54,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:54,900 INFO L225 Difference]: With dead ends: 677 [2025-02-05 15:39:54,900 INFO L226 Difference]: Without dead ends: 345 [2025-02-05 15:39:54,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 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 15:39:54,902 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 2 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1721 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 15:39:54,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1721 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2025-02-05 15:39:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2025-02-05 15:39:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 274 states have (on average 1.5401459854014599) internal successors, (422), 276 states have internal predecessors, (422), 53 states have call successors, (53), 16 states have call predecessors, (53), 17 states have return successors, (54), 52 states have call predecessors, (54), 52 states have call successors, (54) [2025-02-05 15:39:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 529 transitions. [2025-02-05 15:39:54,926 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 529 transitions. Word has length 111 [2025-02-05 15:39:54,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:54,927 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 529 transitions. [2025-02-05 15:39:54,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:39:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 529 transitions. [2025-02-05 15:39:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-05 15:39:54,931 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:54,931 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] [2025-02-05 15:39:54,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-05 15:39:55,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:55,136 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:55,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash -91522811, now seen corresponding path program 1 times [2025-02-05 15:39:55,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:55,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951343319] [2025-02-05 15:39:55,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:55,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-05 15:39:55,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-05 15:39:55,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:55,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-05 15:39:55,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:55,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951343319] [2025-02-05 15:39:55,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951343319] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:39:55,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081930564] [2025-02-05 15:39:55,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:55,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:55,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:39:55,337 INFO L229 MonitoredProcess]: Starting monitored process 6 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 15:39:55,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-05 15:39:55,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-05 15:39:55,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-05 15:39:55,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:55,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:55,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:39:55,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:39:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 15:39:55,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:39:55,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081930564] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:55,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:39:55,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-02-05 15:39:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599436742] [2025-02-05 15:39:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:55,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:39:55,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:55,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:39:55,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:39:55,741 INFO L87 Difference]: Start difference. First operand 345 states and 529 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:39:55,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:55,820 INFO L93 Difference]: Finished difference Result 679 states and 1047 transitions. [2025-02-05 15:39:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:39:55,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 112 [2025-02-05 15:39:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:55,824 INFO L225 Difference]: With dead ends: 679 [2025-02-05 15:39:55,825 INFO L226 Difference]: Without dead ends: 347 [2025-02-05 15:39:55,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:39:55,827 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 2 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1707 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 [2025-02-05 15:39:55,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1707 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:55,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-05 15:39:55,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2025-02-05 15:39:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 275 states have (on average 1.538181818181818) internal successors, (423), 278 states have internal predecessors, (423), 53 states have call successors, (53), 16 states have call predecessors, (53), 18 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2025-02-05 15:39:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 535 transitions. [2025-02-05 15:39:55,852 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 535 transitions. Word has length 112 [2025-02-05 15:39:55,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:55,852 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 535 transitions. [2025-02-05 15:39:55,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:39:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 535 transitions. [2025-02-05 15:39:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-05 15:39:55,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:55,855 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] [2025-02-05 15:39:55,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-05 15:39:56,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:39:56,056 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:56,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:56,056 INFO L85 PathProgramCache]: Analyzing trace with hash -777651540, now seen corresponding path program 1 times [2025-02-05 15:39:56,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:56,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488175416] [2025-02-05 15:39:56,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:39:56,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:56,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-05 15:39:56,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-05 15:39:56,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:39:56,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-02-05 15:39:56,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:56,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488175416] [2025-02-05 15:39:56,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488175416] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:56,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:39:56,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:39:56,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484228116] [2025-02-05 15:39:56,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:56,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:39:56,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:56,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:39:56,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:39:56,224 INFO L87 Difference]: Start difference. First operand 347 states and 535 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:39:56,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:56,276 INFO L93 Difference]: Finished difference Result 671 states and 1038 transitions. [2025-02-05 15:39:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:39:56,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 113 [2025-02-05 15:39:56,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:56,279 INFO L225 Difference]: With dead ends: 671 [2025-02-05 15:39:56,280 INFO L226 Difference]: Without dead ends: 347 [2025-02-05 15:39:56,281 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 15:39:56,282 INFO L435 NwaCegarLoop]: 434 mSDtfsCounter, 2 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1725 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 15:39:56,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1725 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-05 15:39:56,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2025-02-05 15:39:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 275 states have (on average 1.538181818181818) internal successors, (423), 278 states have internal predecessors, (423), 53 states have call successors, (53), 16 states have call predecessors, (53), 18 states have return successors, (58), 52 states have call predecessors, (58), 52 states have call successors, (58) [2025-02-05 15:39:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 534 transitions. [2025-02-05 15:39:56,297 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 534 transitions. Word has length 113 [2025-02-05 15:39:56,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:56,298 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 534 transitions. [2025-02-05 15:39:56,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-05 15:39:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 534 transitions. [2025-02-05 15:39:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-05 15:39:56,319 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:39:56,319 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] [2025-02-05 15:39:56,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 15:39:56,320 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:39:56,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:39:56,321 INFO L85 PathProgramCache]: Analyzing trace with hash -90511287, now seen corresponding path program 2 times [2025-02-05 15:39:56,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:39:56,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454648933] [2025-02-05 15:39:56,321 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:39:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:39:56,344 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-05 15:39:56,352 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 114 statements. [2025-02-05 15:39:56,352 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:39:56,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:39:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-05 15:39:56,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:39:56,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454648933] [2025-02-05 15:39:56,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454648933] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:39:56,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:39:56,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:39:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404716696] [2025-02-05 15:39:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:39:56,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:39:56,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:39:56,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:39:56,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:39:56,419 INFO L87 Difference]: Start difference. First operand 347 states and 534 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-02-05 15:39:56,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:39:56,444 INFO L93 Difference]: Finished difference Result 347 states and 534 transitions. [2025-02-05 15:39:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:39:56,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 114 [2025-02-05 15:39:56,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:39:56,447 INFO L225 Difference]: With dead ends: 347 [2025-02-05 15:39:56,448 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:39:56,449 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 15:39:56,449 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 0 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1741 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 [2025-02-05 15:39:56,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1741 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:39:56,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:39:56,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:39:56,451 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 15:39:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:39:56,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2025-02-05 15:39:56,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:39:56,454 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:39:56,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-02-05 15:39:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:39:56,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:39:56,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:39:56,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 15:39:56,461 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-02-05 15:39:56,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:39:56,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:39:56,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:39:56 BoogieIcfgContainer [2025-02-05 15:39:56,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:39:56,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:39:56,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:39:56,559 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:39:56,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:39:50" (3/4) ... [2025-02-05 15:39:56,562 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-02-05 15:39:56,568 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:39:56,584 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2025-02-05 15:39:56,586 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2025-02-05 15:39:56,588 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-05 15:39:56,589 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-05 15:39:56,590 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:39:56,592 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:39:56,738 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:39:56,739 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:39:56,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:39:56,740 INFO L158 Benchmark]: Toolchain (without parser) took 8344.29ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 130.7MB in the beginning and 97.9MB in the end (delta: 32.8MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2025-02-05 15:39:56,740 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:39:56,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.58ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 93.0MB in the end (delta: 37.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 15:39:56,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.78ms. Allocated memory is still 167.8MB. Free memory was 93.0MB in the beginning and 87.7MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:39:56,741 INFO L158 Benchmark]: Boogie Preprocessor took 76.15ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 82.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:39:56,741 INFO L158 Benchmark]: IcfgBuilder took 1275.90ms. Allocated memory is still 167.8MB. Free memory was 82.6MB in the beginning and 91.7MB in the end (delta: -9.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2025-02-05 15:39:56,741 INFO L158 Benchmark]: TraceAbstraction took 5904.27ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 90.9MB in the beginning and 114.5MB in the end (delta: -23.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2025-02-05 15:39:56,742 INFO L158 Benchmark]: Witness Printer took 179.96ms. Allocated memory is still 201.3MB. Free memory was 114.5MB in the beginning and 97.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:39:56,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.58ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 93.0MB in the end (delta: 37.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.78ms. Allocated memory is still 167.8MB. Free memory was 93.0MB in the beginning and 87.7MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.15ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 82.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1275.90ms. Allocated memory is still 167.8MB. Free memory was 82.6MB in the beginning and 91.7MB in the end (delta: -9.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5904.27ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 90.9MB in the beginning and 114.5MB in the end (delta: -23.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 179.96ms. Allocated memory is still 201.3MB. Free memory was 114.5MB in the beginning and 97.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. 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,"Email.i","") [48] - GenericResultAtLocation [Line: 167]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [167] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [467] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [505] - GenericResultAtLocation [Line: 797]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [797] - GenericResultAtLocation [Line: 1864]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1864] - GenericResultAtLocation [Line: 1873]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1873] - GenericResultAtLocation [Line: 1890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1890] - GenericResultAtLocation [Line: 2106]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2106] - GenericResultAtLocation [Line: 2125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2125] - GenericResultAtLocation [Line: 2491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.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: 1869]: 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 17 procedures, 300 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 9066 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5991 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3075 mSDtfsCounter, 136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 575 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1311 NumberOfCodeBlocks, 1241 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1299 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5156 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 419/437 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 15:39:56,759 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