./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/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_1.5.800.v20200727-1323.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_spec1_product33.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.graphml --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 00f3978296386b105e45bba586b0df56f2d34b783492fc63d6fdcb596a8910f4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:51,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:51,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:51,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:51,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:51,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:51,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:51,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:51,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:51,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:51,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:51,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:51,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:51,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:51,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:51,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:51,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:51,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:51,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:51,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:51,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:51,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:51,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:51,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:51,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:51,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:51,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:51,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:51,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:51,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:51,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:51,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:51,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:51,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:51,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:51,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:51,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:51,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:51,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:51,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:51,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:51,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:51,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:51,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:51,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:51,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:51,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:51,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:51,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:51,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:51,889 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:51,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:51,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:51,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:51,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:51,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:51,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:51,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:51,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:51,891 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:51,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:51,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:51,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:51,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:51,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:51,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:51,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:51,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:51,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:51,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:51,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:51,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:51,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:51,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:51,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:51,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:51,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00f3978296386b105e45bba586b0df56f2d34b783492fc63d6fdcb596a8910f4 [2021-12-15 11:05:52,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:52,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:52,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:52,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:52,178 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:52,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2021-12-15 11:05:52,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56738c2b0/ae96044574a24f3dbcad12754b832b3b/FLAG7ffafd543 [2021-12-15 11:05:52,760 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:52,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2021-12-15 11:05:52,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56738c2b0/ae96044574a24f3dbcad12754b832b3b/FLAG7ffafd543 [2021-12-15 11:05:53,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56738c2b0/ae96044574a24f3dbcad12754b832b3b [2021-12-15 11:05:53,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:53,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:53,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:53,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:53,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:53,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e90a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53, skipping insertion in model container [2021-12-15 11:05:53,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:53,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:53,233 WARN L230 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_spec1_product33.cil.c[1542,1555] [2021-12-15 11:05:53,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:53,628 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:53,652 WARN L230 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_spec1_product33.cil.c[1542,1555] [2021-12-15 11:05:53,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:53,780 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:53,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53 WrapperNode [2021-12-15 11:05:53,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:53,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:53,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:53,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:53,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,875 INFO L137 Inliner]: procedures = 134, calls = 228, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1070 [2021-12-15 11:05:53,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:53,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:53,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:53,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:53,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:53,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:53,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:53,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:53,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (1/1) ... [2021-12-15 11:05:53,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:54,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:05:54,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:05:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:05:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:05:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:05:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:05:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:05:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:05:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:05:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:05:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:05:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:05:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:05:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:05:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:05:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:05:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:05:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:05:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:05:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:05:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:54,292 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:54,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:54,985 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:54,994 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:54,995 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:54,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:54 BoogieIcfgContainer [2021-12-15 11:05:54,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:54,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:54,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:55,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:55,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:53" (1/3) ... [2021-12-15 11:05:55,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cf10e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:55, skipping insertion in model container [2021-12-15 11:05:55,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:53" (2/3) ... [2021-12-15 11:05:55,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cf10e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:55, skipping insertion in model container [2021-12-15 11:05:55,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:54" (3/3) ... [2021-12-15 11:05:55,005 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2021-12-15 11:05:55,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:55,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:55,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:55,072 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:05:55,072 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 299 states have (on average 1.5016722408026757) internal successors, (449), 303 states have internal predecessors, (449), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-15 11:05:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-15 11:05:55,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:55,125 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:05:55,125 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash 121441317, now seen corresponding path program 1 times [2021-12-15 11:05:55,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:55,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453149764] [2021-12-15 11:05:55,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:55,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:55,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:55,195 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:05:55,205 INFO L158 Benchmark]: Toolchain (without parser) took 2169.43ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 56.6MB in the end (delta: 2.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-12-15 11:05:55,205 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:55,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.07ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 44.6MB in the end (delta: 14.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:55,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.32ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 38.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:55,208 INFO L158 Benchmark]: Boogie Preprocessor took 72.89ms. Allocated memory is still 90.2MB. Free memory was 38.3MB in the beginning and 65.8MB in the end (delta: -27.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:55,209 INFO L158 Benchmark]: RCFGBuilder took 1047.74ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 65.3MB in the beginning and 69.3MB in the end (delta: -4.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:55,211 INFO L158 Benchmark]: TraceAbstraction took 203.15ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 56.6MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:55,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.07ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 44.6MB in the end (delta: 14.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.32ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 38.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.89ms. Allocated memory is still 90.2MB. Free memory was 38.3MB in the beginning and 65.8MB in the end (delta: -27.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1047.74ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 65.3MB in the beginning and 69.3MB in the end (delta: -4.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * TraceAbstraction took 203.15ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 56.6MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:05:55,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/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_1.5.800.v20200727-1323.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_spec1_product33.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 00f3978296386b105e45bba586b0df56f2d34b783492fc63d6fdcb596a8910f4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:57,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:57,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:57,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:57,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:57,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:57,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:57,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:57,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:57,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:57,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:57,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:57,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:57,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:57,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:57,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:57,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:57,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:57,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:57,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:57,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:57,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:57,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:57,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:57,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:57,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:57,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:57,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:57,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:57,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:57,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:57,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:57,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:57,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:57,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:57,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:57,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:57,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:57,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:57,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:57,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:57,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:57,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:57,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:57,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:57,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:57,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:57,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:57,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:57,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:57,429 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:57,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:57,430 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:57,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:57,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:57,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:57,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:57,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:57,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:57,432 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:57,432 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:57,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:57,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:57,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:57,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:57,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:57,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:57,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:57,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:57,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:57,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:57,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:57,445 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:57,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:57,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:57,446 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:57,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:57,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:57,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:57,446 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00f3978296386b105e45bba586b0df56f2d34b783492fc63d6fdcb596a8910f4 [2021-12-15 11:05:57,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:57,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:57,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:57,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:57,792 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:57,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2021-12-15 11:05:57,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8854fef2/9044999c516e4c4ab879925232b5d687/FLAG6ddfa4d64 [2021-12-15 11:05:58,423 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:58,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2021-12-15 11:05:58,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8854fef2/9044999c516e4c4ab879925232b5d687/FLAG6ddfa4d64 [2021-12-15 11:05:58,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8854fef2/9044999c516e4c4ab879925232b5d687 [2021-12-15 11:05:58,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:58,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:58,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:58,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:58,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:58,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:58" (1/1) ... [2021-12-15 11:05:58,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e4951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:58, skipping insertion in model container [2021-12-15 11:05:58,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:58" (1/1) ... [2021-12-15 11:05:58,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:58,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:58,958 WARN L230 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_spec1_product33.cil.c[1542,1555] [2021-12-15 11:05:59,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:59,344 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:59,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:59,362 WARN L230 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_spec1_product33.cil.c[1542,1555] [2021-12-15 11:05:59,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:59,463 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:59,479 WARN L230 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_spec1_product33.cil.c[1542,1555] [2021-12-15 11:05:59,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:59,564 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:59,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59 WrapperNode [2021-12-15 11:05:59,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:59,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:59,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:59,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:59,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,690 INFO L137 Inliner]: procedures = 136, calls = 228, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1010 [2021-12-15 11:05:59,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:59,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:59,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:59,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:59,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:59,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:59,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:59,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:59,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:59,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:59,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:05:59,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:05:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:05:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:05:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:05:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:05:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:05:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:05:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:05:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:05:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:05:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:05:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:05:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:05:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:05:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:05:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:05:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:05:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:05:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:05:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:00,143 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:00,145 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:00,860 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:00,869 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:00,870 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:00,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:00 BoogieIcfgContainer [2021-12-15 11:06:00,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:00,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:00,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:00,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:00,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:58" (1/3) ... [2021-12-15 11:06:00,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1deb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:00, skipping insertion in model container [2021-12-15 11:06:00,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (2/3) ... [2021-12-15 11:06:00,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1deb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:00, skipping insertion in model container [2021-12-15 11:06:00,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:00" (3/3) ... [2021-12-15 11:06:00,887 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2021-12-15 11:06:00,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:00,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:00,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:00,963 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:06:00,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 299 states have (on average 1.5016722408026757) internal successors, (449), 303 states have internal predecessors, (449), 63 states have call successors, (63), 24 states have call predecessors, (63), 24 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-15 11:06:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-15 11:06:01,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:01,013 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:01,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:01,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:01,018 INFO L85 PathProgramCache]: Analyzing trace with hash 121441317, now seen corresponding path program 1 times [2021-12-15 11:06:01,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:06:01,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536407882] [2021-12-15 11:06:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:01,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:06:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:06:01,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:06:01,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:06:01,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:06:01,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:06:01,352 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:06:01,357 INFO L158 Benchmark]: Toolchain (without parser) took 2660.12ms. Allocated memory was 48.2MB in the beginning and 71.3MB in the end (delta: 23.1MB). Free memory was 31.6MB in the beginning and 32.9MB in the end (delta: -1.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-12-15 11:06:01,358 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:01,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.47ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 31.4MB in the beginning and 25.1MB in the end (delta: 6.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-15 11:06:01,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.16ms. Allocated memory is still 58.7MB. Free memory was 25.1MB in the beginning and 35.5MB in the end (delta: -10.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:01,359 INFO L158 Benchmark]: Boogie Preprocessor took 99.69ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 30.7MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:01,360 INFO L158 Benchmark]: RCFGBuilder took 1082.53ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 27.4MB in the end (delta: 3.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:01,360 INFO L158 Benchmark]: TraceAbstraction took 473.70ms. Allocated memory is still 71.3MB. Free memory was 27.0MB in the beginning and 32.9MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:01,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.47ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 31.4MB in the beginning and 25.1MB in the end (delta: 6.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.16ms. Allocated memory is still 58.7MB. Free memory was 25.1MB in the beginning and 35.5MB in the end (delta: -10.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.69ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 30.7MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.53ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 27.4MB in the end (delta: 3.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * TraceAbstraction took 473.70ms. Allocated memory is still 71.3MB. Free memory was 27.0MB in the beginning and 32.9MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:06:01,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable