./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product24.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 51fa488e776e831bac86701b44da2398387b953b2cee791cda39a1547c039fcd --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:20:40,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:20:40,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:20:40,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:20:40,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:20:40,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:20:40,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:20:40,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:20:40,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:20:40,241 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:20:40,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:20:40,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:20:40,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:20:40,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:20:40,243 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:20:40,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:20:40,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:20:40,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:20:40,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:20:40,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:20:40,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:20:40,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:20:40,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:20:40,244 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/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 -> 51fa488e776e831bac86701b44da2398387b953b2cee791cda39a1547c039fcd [2025-03-03 14:20:40,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:20:40,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:20:40,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:20:40,464 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:20:40,464 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:20:40,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product24.cil.c [2025-03-03 14:20:41,606 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed300a54/e26bf7efaf284bcaab25e27127648b52/FLAGedcbbb3f1 [2025-03-03 14:20:41,890 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:20:41,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product24.cil.c [2025-03-03 14:20:41,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed300a54/e26bf7efaf284bcaab25e27127648b52/FLAGedcbbb3f1 [2025-03-03 14:20:42,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ed300a54/e26bf7efaf284bcaab25e27127648b52 [2025-03-03 14:20:42,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:20:42,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:20:42,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:20:42,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:20:42,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:20:42,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e48f2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42, skipping insertion in model container [2025-03-03 14:20:42,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:20:42,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product24.cil.c[16887,16900] [2025-03-03 14:20:42,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:20:42,566 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:20:42,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2025-03-03 14:20:42,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [375] [2025-03-03 14:20:42,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [741] [2025-03-03 14:20:42,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [750] [2025-03-03 14:20:42,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1821] [2025-03-03 14:20:42,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1856] [2025-03-03 14:20:42,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1963] [2025-03-03 14:20:42,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2367] [2025-03-03 14:20:42,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2384] [2025-03-03 14:20:42,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2403] [2025-03-03 14:20:42,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2622] [2025-03-03 14:20:42,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product24.cil.c[16887,16900] [2025-03-03 14:20:42,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:20:42,678 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:20:42,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42 WrapperNode [2025-03-03 14:20:42,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:20:42,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:20:42,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:20:42,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:20:42,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,763 INFO L138 Inliner]: procedures = 130, calls = 192, calls flagged for inlining = 64, calls inlined = 59, statements flattened = 1055 [2025-03-03 14:20:42,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:20:42,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:20:42,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:20:42,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:20:42,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,777 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,795 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]. [2025-03-03 14:20:42,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,814 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:20:42,840 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:20:42,840 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:20:42,840 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:20:42,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (1/1) ... [2025-03-03 14:20:42,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:20:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:42,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 14:20:42,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 14:20:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-03 14:20:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-03 14:20:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-03 14:20:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-03 14:20:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-03 14:20:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-03 14:20:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-03 14:20:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-03 14:20:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-03 14:20:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-03 14:20:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-03 14:20:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-03 14:20:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-03 14:20:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-03 14:20:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-03-03 14:20:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-03-03 14:20:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-03 14:20:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-03 14:20:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:20:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-03 14:20:42,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-03 14:20:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-03 14:20:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-03 14:20:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-03 14:20:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-03 14:20:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-03 14:20:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-03 14:20:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-03 14:20:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-03 14:20:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-03 14:20:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-03 14:20:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-03 14:20:42,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-03 14:20:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:20:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:20:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:20:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:20:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-03 14:20:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-03 14:20:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:20:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:20:43,067 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:20:43,069 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:20:43,102 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2311: #res := ~retValue_acc~35; [2025-03-03 14:20:43,403 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1679-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~18#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2348-1: isVerified_#res#1 := isVerified_~retValue_acc~36#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1316-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~12#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2828-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~42#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2011-1: getEmailId_#res#1 := getEmailId_~retValue_acc~27#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1798-1: getClientId_#res#1 := getClientId_~retValue_acc~20#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1751-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~19#1; [2025-03-03 14:20:43,404 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1363-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~13#1; [2025-03-03 14:20:43,416 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2274: #res := ~retValue_acc~34; [2025-03-03 14:20:43,437 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2085: #res := ~retValue_acc~29; [2025-03-03 14:20:43,463 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1410-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~14#1; [2025-03-03 14:20:43,463 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1455: #res#1 := ~retValue_acc~15#1; [2025-03-03 14:20:43,491 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1960-1: createEmail_#res#1 := createEmail_~retValue_acc~25#1; [2025-03-03 14:20:43,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2785-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~39#1; [2025-03-03 14:20:43,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2794-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~40#1; [2025-03-03 14:20:43,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1853-1: valid_product_#res#1 := valid_product_~retValue_acc~22#1; [2025-03-03 14:20:43,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2803-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~41#1; [2025-03-03 14:20:43,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1625-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~17#1; [2025-03-03 14:20:43,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1518-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~16#1; [2025-03-03 14:20:43,723 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2048: #res := ~retValue_acc~28; [2025-03-03 14:20:43,725 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1936: #res := ~retValue_acc~23; [2025-03-03 14:20:43,824 INFO L? ?]: Removed 460 outVars from TransFormulas that were not future-live. [2025-03-03 14:20:43,825 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:20:43,839 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:20:43,839 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:20:43,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:20:43 BoogieIcfgContainer [2025-03-03 14:20:43,840 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:20:43,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:20:43,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:20:43,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:20:43,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:20:42" (1/3) ... [2025-03-03 14:20:43,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3613eb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:20:43, skipping insertion in model container [2025-03-03 14:20:43,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:42" (2/3) ... [2025-03-03 14:20:43,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3613eb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:20:43, skipping insertion in model container [2025-03-03 14:20:43,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:20:43" (3/3) ... [2025-03-03 14:20:43,848 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product24.cil.c [2025-03-03 14:20:43,881 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:20:43,885 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product24.cil.c that has 18 procedures, 319 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:20:43,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:20:43,947 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;@13b23a18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:20:43,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:20:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 254 states have (on average 1.531496062992126) internal successors, (389), 256 states have internal predecessors, (389), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-03 14:20:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-03 14:20:43,966 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:43,967 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:43,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:43,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:43,973 INFO L85 PathProgramCache]: Analyzing trace with hash 493970689, now seen corresponding path program 1 times [2025-03-03 14:20:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:43,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159518186] [2025-03-03 14:20:43,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:44,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-03 14:20:44,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-03 14:20:44,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:44,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-03 14:20:44,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:44,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159518186] [2025-03-03 14:20:44,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159518186] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:44,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77689892] [2025-03-03 14:20:44,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:44,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:44,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:44,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:44,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 14:20:44,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-03 14:20:44,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-03 14:20:44,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:44,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:44,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 14:20:44,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:20:44,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:44,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77689892] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:44,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:44,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-03-03 14:20:44,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804521880] [2025-03-03 14:20:44,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:44,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:20:44,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:44,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:20:44,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:44,912 INFO L87 Difference]: Start difference. First operand has 319 states, 254 states have (on average 1.531496062992126) internal successors, (389), 256 states have internal predecessors, (389), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:20:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:44,952 INFO L93 Difference]: Finished difference Result 480 states and 710 transitions. [2025-03-03 14:20:44,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:20:44,953 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2025-03-03 14:20:44,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:44,961 INFO L225 Difference]: With dead ends: 480 [2025-03-03 14:20:44,961 INFO L226 Difference]: Without dead ends: 312 [2025-03-03 14:20:44,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:44,966 INFO L435 NwaCegarLoop]: 478 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, 478 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 [2025-03-03 14:20:44,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:44,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-03-03 14:20:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2025-03-03 14:20:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 248 states have (on average 1.528225806451613) internal successors, (379), 249 states have internal predecessors, (379), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-03 14:20:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 470 transitions. [2025-03-03 14:20:45,027 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 470 transitions. Word has length 98 [2025-03-03 14:20:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:45,028 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 470 transitions. [2025-03-03 14:20:45,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:20:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 470 transitions. [2025-03-03 14:20:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-03 14:20:45,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:45,035 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:45,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 14:20:45,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 14:20:45,236 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:45,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:45,237 INFO L85 PathProgramCache]: Analyzing trace with hash -548099170, now seen corresponding path program 1 times [2025-03-03 14:20:45,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:45,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381667061] [2025-03-03 14:20:45,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:45,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:45,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-03 14:20:45,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-03 14:20:45,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:45,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-03 14:20:45,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:45,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381667061] [2025-03-03 14:20:45,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381667061] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927598181] [2025-03-03 14:20:45,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:45,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:45,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 14:20:45,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-03 14:20:45,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-03 14:20:45,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:45,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:45,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-03 14:20:45,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:20:45,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:45,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927598181] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:45,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:45,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:20:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629824654] [2025-03-03 14:20:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:45,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:20:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:45,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:20:45,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:45,796 INFO L87 Difference]: Start difference. First operand 312 states and 470 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:20:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:45,833 INFO L93 Difference]: Finished difference Result 469 states and 691 transitions. [2025-03-03 14:20:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:20:45,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2025-03-03 14:20:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:45,839 INFO L225 Difference]: With dead ends: 469 [2025-03-03 14:20:45,839 INFO L226 Difference]: Without dead ends: 314 [2025-03-03 14:20:45,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:45,841 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 0 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 936 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 [2025-03-03 14:20:45,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 936 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:45,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-03-03 14:20:45,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2025-03-03 14:20:45,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 250 states have (on average 1.524) internal successors, (381), 251 states have internal predecessors, (381), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-03 14:20:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 472 transitions. [2025-03-03 14:20:45,861 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 472 transitions. Word has length 99 [2025-03-03 14:20:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:45,862 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 472 transitions. [2025-03-03 14:20:45,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:20:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 472 transitions. [2025-03-03 14:20:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-03 14:20:45,865 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:45,866 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:45,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-03 14:20:46,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 14:20:46,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:46,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash -739215806, now seen corresponding path program 1 times [2025-03-03 14:20:46,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:46,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812949812] [2025-03-03 14:20:46,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:46,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:46,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:20:46,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:20:46,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:46,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-03 14:20:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812949812] [2025-03-03 14:20:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812949812] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272962935] [2025-03-03 14:20:46,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:46,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:46,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:46,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:46,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-03 14:20:46,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:20:46,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:20:46,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:46,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:46,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-03 14:20:46,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:20:46,549 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:46,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272962935] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:46,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:46,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:20:46,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792754367] [2025-03-03 14:20:46,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:46,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:20:46,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:46,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:20:46,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:46,553 INFO L87 Difference]: Start difference. First operand 314 states and 472 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:20:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:46,577 INFO L93 Difference]: Finished difference Result 662 states and 1010 transitions. [2025-03-03 14:20:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:20:46,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2025-03-03 14:20:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:46,581 INFO L225 Difference]: With dead ends: 662 [2025-03-03 14:20:46,581 INFO L226 Difference]: Without dead ends: 375 [2025-03-03 14:20:46,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:20:46,583 INFO L435 NwaCegarLoop]: 481 mSDtfsCounter, 115 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 904 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 [2025-03-03 14:20:46,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 904 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:46,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-03-03 14:20:46,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 367. [2025-03-03 14:20:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 292 states have (on average 1.5410958904109588) internal successors, (450), 293 states have internal predecessors, (450), 57 states have call successors, (57), 17 states have call predecessors, (57), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2025-03-03 14:20:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 563 transitions. [2025-03-03 14:20:46,613 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 563 transitions. Word has length 107 [2025-03-03 14:20:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:46,615 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 563 transitions. [2025-03-03 14:20:46,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:20:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 563 transitions. [2025-03-03 14:20:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-03 14:20:46,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:46,617 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:46,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-03 14:20:46,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:46,820 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:46,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:46,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1726813377, now seen corresponding path program 1 times [2025-03-03 14:20:46,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:46,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765725061] [2025-03-03 14:20:46,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:46,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:46,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-03 14:20:46,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-03 14:20:46,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:46,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-03 14:20:46,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:46,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765725061] [2025-03-03 14:20:46,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765725061] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:46,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611974021] [2025-03-03 14:20:46,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:46,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:46,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:46,981 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:46,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-03 14:20:47,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-03 14:20:47,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-03 14:20:47,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:47,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:47,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-03 14:20:47,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-03 14:20:47,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:47,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611974021] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:47,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:47,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-03 14:20:47,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438179989] [2025-03-03 14:20:47,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:47,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:47,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:47,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:47,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:20:47,268 INFO L87 Difference]: Start difference. First operand 367 states and 563 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:20:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:47,312 INFO L93 Difference]: Finished difference Result 725 states and 1116 transitions. [2025-03-03 14:20:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:47,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2025-03-03 14:20:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:47,316 INFO L225 Difference]: With dead ends: 725 [2025-03-03 14:20:47,316 INFO L226 Difference]: Without dead ends: 369 [2025-03-03 14:20:47,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:20:47,317 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 2 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1837 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 [2025-03-03 14:20:47,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1837 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:47,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-03 14:20:47,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-03 14:20:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 293 states have (on average 1.5392491467576792) internal successors, (451), 295 states have internal predecessors, (451), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 56 states have call predecessors, (58), 56 states have call successors, (58) [2025-03-03 14:20:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 566 transitions. [2025-03-03 14:20:47,334 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 566 transitions. Word has length 108 [2025-03-03 14:20:47,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:47,334 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 566 transitions. [2025-03-03 14:20:47,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:20:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 566 transitions. [2025-03-03 14:20:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-03 14:20:47,336 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:47,336 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:47,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-03 14:20:47,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:47,537 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:47,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1134267914, now seen corresponding path program 1 times [2025-03-03 14:20:47,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:47,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132878801] [2025-03-03 14:20:47,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:47,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-03 14:20:47,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-03 14:20:47,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:47,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-03 14:20:47,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:47,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132878801] [2025-03-03 14:20:47,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132878801] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:20:47,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195236132] [2025-03-03 14:20:47,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:47,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:47,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:20:47,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-03 14:20:47,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-03 14:20:47,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-03 14:20:47,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:47,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:47,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-03 14:20:47,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:20:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-03 14:20:47,952 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:20:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195236132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:47,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:20:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-03 14:20:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775127854] [2025-03-03 14:20:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:47,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:47,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:47,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:47,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:20:47,953 INFO L87 Difference]: Start difference. First operand 369 states and 566 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:20:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:48,032 INFO L93 Difference]: Finished difference Result 727 states and 1121 transitions. [2025-03-03 14:20:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:48,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2025-03-03 14:20:48,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:48,035 INFO L225 Difference]: With dead ends: 727 [2025-03-03 14:20:48,035 INFO L226 Difference]: Without dead ends: 371 [2025-03-03 14:20:48,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:20:48,037 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 2 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 14:20:48,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1823 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 14:20:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-03 14:20:48,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-03-03 14:20:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 294 states have (on average 1.5374149659863945) internal successors, (452), 297 states have internal predecessors, (452), 57 states have call successors, (57), 17 states have call predecessors, (57), 19 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2025-03-03 14:20:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 572 transitions. [2025-03-03 14:20:48,055 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 572 transitions. Word has length 109 [2025-03-03 14:20:48,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:48,055 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 572 transitions. [2025-03-03 14:20:48,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:20:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 572 transitions. [2025-03-03 14:20:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-03 14:20:48,058 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:48,059 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:48,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-03 14:20:48,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:20:48,261 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:48,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:48,261 INFO L85 PathProgramCache]: Analyzing trace with hash -923406003, now seen corresponding path program 1 times [2025-03-03 14:20:48,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:48,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132928162] [2025-03-03 14:20:48,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:20:48,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:48,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-03 14:20:48,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-03 14:20:48,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:20:48,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-03 14:20:48,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:48,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132928162] [2025-03-03 14:20:48,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132928162] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:48,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:20:48,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:20:48,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095517480] [2025-03-03 14:20:48,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:48,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:48,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:48,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:48,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:48,385 INFO L87 Difference]: Start difference. First operand 371 states and 572 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:20:48,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:48,420 INFO L93 Difference]: Finished difference Result 719 states and 1112 transitions. [2025-03-03 14:20:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:48,420 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2025-03-03 14:20:48,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:48,423 INFO L225 Difference]: With dead ends: 719 [2025-03-03 14:20:48,423 INFO L226 Difference]: Without dead ends: 371 [2025-03-03 14:20:48,424 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 [2025-03-03 14:20:48,425 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 2 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1841 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 [2025-03-03 14:20:48,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1841 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:48,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-03 14:20:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2025-03-03 14:20:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 294 states have (on average 1.5374149659863945) internal successors, (452), 297 states have internal predecessors, (452), 57 states have call successors, (57), 17 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2025-03-03 14:20:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 571 transitions. [2025-03-03 14:20:48,441 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 571 transitions. Word has length 110 [2025-03-03 14:20:48,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:48,442 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 571 transitions. [2025-03-03 14:20:48,442 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:20:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 571 transitions. [2025-03-03 14:20:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-03 14:20:48,445 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:20:48,445 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:20:48,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 14:20:48,445 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:20:48,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:20:48,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1871125534, now seen corresponding path program 2 times [2025-03-03 14:20:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:20:48,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403097292] [2025-03-03 14:20:48,446 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-03 14:20:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:20:48,465 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-03-03 14:20:48,470 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 111 statements. [2025-03-03 14:20:48,470 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-03 14:20:48,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:20:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-03 14:20:48,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:20:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403097292] [2025-03-03 14:20:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403097292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:20:48,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:20:48,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:20:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316805076] [2025-03-03 14:20:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:20:48,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:20:48,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:20:48,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:20:48,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:20:48,520 INFO L87 Difference]: Start difference. First operand 371 states and 571 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-03 14:20:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:20:48,542 INFO L93 Difference]: Finished difference Result 371 states and 571 transitions. [2025-03-03 14:20:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:20:48,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2025-03-03 14:20:48,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:20:48,544 INFO L225 Difference]: With dead ends: 371 [2025-03-03 14:20:48,544 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:20:48,545 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 [2025-03-03 14:20:48,545 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 0 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1857 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 [2025-03-03 14:20:48,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1857 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:20:48,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:20:48,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:20:48,547 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) [2025-03-03 14:20:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:20:48,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2025-03-03 14:20:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:20:48,548 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:20:48,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-03 14:20:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:20:48,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:20:48,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:20:48,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 14:20:48,553 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-03-03 14:20:48,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:20:48,618 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:20:48,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:20:48 BoogieIcfgContainer [2025-03-03 14:20:48,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:20:48,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:20:48,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:20:48,629 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:20:48,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:20:43" (3/4) ... [2025-03-03 14:20:48,631 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-03-03 14:20:48,636 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-03-03 14:20:48,637 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-03-03 14:20:48,637 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-03-03 14:20:48,637 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-03-03 14:20:48,637 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-03-03 14:20:48,637 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-03-03 14:20:48,651 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2025-03-03 14:20:48,652 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-03-03 14:20:48,654 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-03 14:20:48,655 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 14:20:48,656 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:20:48,657 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:20:48,761 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:20:48,761 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:20:48,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:20:48,762 INFO L158 Benchmark]: Toolchain (without parser) took 6592.74ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 102.4MB in the beginning and 147.3MB in the end (delta: -44.9MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2025-03-03 14:20:48,762 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:20:48,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.35ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 64.5MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 14:20:48,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.28ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 59.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:20:48,763 INFO L158 Benchmark]: Boogie Preprocessor took 75.17ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 54.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:20:48,763 INFO L158 Benchmark]: IcfgBuilder took 1000.19ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 44.0MB in the end (delta: 10.1MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2025-03-03 14:20:48,763 INFO L158 Benchmark]: TraceAbstraction took 4786.12ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 43.4MB in the beginning and 167.6MB in the end (delta: -124.2MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2025-03-03 14:20:48,763 INFO L158 Benchmark]: Witness Printer took 132.03ms. Allocated memory is still 343.9MB. Free memory was 167.6MB in the beginning and 147.3MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:20:48,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.35ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 64.5MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.28ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 59.5MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.17ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 54.1MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1000.19ms. Allocated memory is still 142.6MB. Free memory was 54.1MB in the beginning and 44.0MB in the end (delta: 10.1MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4786.12ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 43.4MB in the beginning and 167.6MB in the end (delta: -124.2MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * Witness Printer took 132.03ms. Allocated memory is still 343.9MB. Free memory was 167.6MB in the beginning and 147.3MB in the end (delta: 20.2MB). 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,"Test.i","") [48] - GenericResultAtLocation [Line: 375]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [375] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [741] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [750] - GenericResultAtLocation [Line: 1821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1821] - GenericResultAtLocation [Line: 1856]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1856] - GenericResultAtLocation [Line: 1963]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1963] - GenericResultAtLocation [Line: 2367]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2367] - GenericResultAtLocation [Line: 2384]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2384] - GenericResultAtLocation [Line: 2403]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2403] - GenericResultAtLocation [Line: 2622]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2622] * 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: 746]: 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 18 procedures, 319 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 9676 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6397 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3279 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1263 NumberOfCodeBlocks, 1196 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1251 ConstructedInterpolants, 0 QuantifiedInterpolants, 1354 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5150 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 371/389 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! [2025-03-03 14:20:48,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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