/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec9_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:54:23,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:54:23,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:54:23,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:54:23,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:54:23,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:54:23,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:54:23,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:54:23,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:54:23,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:54:23,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:54:23,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:54:23,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:54:23,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:54:23,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:54:23,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:54:23,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:54:23,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:54:23,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:54:23,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:54:23,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:54:23,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:54:23,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:54:23,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:54:23,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:54:23,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:54:23,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:54:23,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:54:23,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:54:23,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:54:23,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:54:23,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:54:23,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:54:23,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:54:23,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:54:23,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:54:23,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:54:23,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:54:23,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:54:23,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:54:23,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:54:23,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:54:23,243 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:54:23,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:54:23,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:54:23,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:54:23,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:54:23,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:54:23,245 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:54:23,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:54:23,245 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:54:23,245 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:54:23,246 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:54:23,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:54:23,246 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:54:23,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:54:23,247 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:54:23,247 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:54:23,247 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:54:23,247 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:54:23,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:54:23,249 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:54:23,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:54:23,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:54:23,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:54:23,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:54:23,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:54:23,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:54:23,254 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:54:23,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:54:23,254 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:54:23,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:54:23,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:54:23,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:54:23,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:54:23,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:54:23,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:54:23,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:54:23,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:54:23,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:54:23,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:54:23,501 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:54:23,501 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:54:23,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product22.cil.c [2023-04-03 00:54:24,721 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:54:25,014 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:54:25,014 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product22.cil.c [2023-04-03 00:54:25,028 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c5c850e/a4dfbf05cea94999b548482c172e2812/FLAG1ba5d9c6c [2023-04-03 00:54:25,041 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c5c850e/a4dfbf05cea94999b548482c172e2812 [2023-04-03 00:54:25,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:54:25,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:54:25,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:54:25,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:54:25,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:54:25,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385c8ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25, skipping insertion in model container [2023-04-03 00:54:25,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:54:25,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:54:25,562 WARN L247 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_spec9_product22.cil.c[51984,51997] [2023-04-03 00:54:25,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:54:25,638 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:54:25,726 WARN L247 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_spec9_product22.cil.c[51984,51997] [2023-04-03 00:54:25,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:54:25,757 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:54:25,764 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:54:25,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25 WrapperNode [2023-04-03 00:54:25,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:54:25,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:54:25,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:54:25,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:54:25,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:54:25,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:54:25,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:54:25,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:54:25,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (1/1) ... [2023-04-03 00:54:25,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:54:25,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:54:25,994 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) [2023-04-03 00:54:26,016 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 [2023-04-03 00:54:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:54:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:54:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:54:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:54:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:54:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:54:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:54:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:54:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:54:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:54:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:54:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:54:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:54:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:54:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:54:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:54:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:54:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:54:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:54:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:54:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:54:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:54:26,376 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:54:26,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:54:27,382 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:54:28,077 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:54:28,078 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:54:28,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:54:28 BoogieIcfgContainer [2023-04-03 00:54:28,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:54:28,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:54:28,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:54:28,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:54:28,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:54:25" (1/3) ... [2023-04-03 00:54:28,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e85a609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:54:28, skipping insertion in model container [2023-04-03 00:54:28,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:54:25" (2/3) ... [2023-04-03 00:54:28,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e85a609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:54:28, skipping insertion in model container [2023-04-03 00:54:28,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:54:28" (3/3) ... [2023-04-03 00:54:28,099 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product22.cil.c [2023-04-03 00:54:28,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:54:28,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:54:28,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:54:28,188 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26380403, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:54:28,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:54:28,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 188 states have (on average 1.196808510638298) internal successors, (225), 196 states have internal predecessors, (225), 109 states have call successors, (109), 73 states have call predecessors, (109), 73 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-03 00:54:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 00:54:28,220 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:54:28,221 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:54:28,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:54:28,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:54:28,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1624872546, now seen corresponding path program 1 times [2023-04-03 00:54:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:54:28,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954286438] [2023-04-03 00:54:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:54:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:54:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:54:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:54:28,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:54:28,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954286438] [2023-04-03 00:54:28,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954286438] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:54:28,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:54:28,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:54:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347634479] [2023-04-03 00:54:28,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:54:28,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:54:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:54:28,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:54:28,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:54:28,734 INFO L87 Difference]: Start difference. First operand has 375 states, 188 states have (on average 1.196808510638298) internal successors, (225), 196 states have internal predecessors, (225), 109 states have call successors, (109), 73 states have call predecessors, (109), 73 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:54:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:54:28,871 INFO L93 Difference]: Finished difference Result 551 states and 650 transitions. [2023-04-03 00:54:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:54:28,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-03 00:54:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:54:28,885 INFO L225 Difference]: With dead ends: 551 [2023-04-03 00:54:28,885 INFO L226 Difference]: Without dead ends: 354 [2023-04-03 00:54:28,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:54:28,891 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:54:28,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 386 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:54:28,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-04-03 00:54:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2023-04-03 00:54:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 179 states have (on average 1.1843575418994414) internal successors, (212), 184 states have internal predecessors, (212), 105 states have call successors, (105), 73 states have call predecessors, (105), 69 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-03 00:54:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 417 transitions. [2023-04-03 00:54:28,952 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 417 transitions. Word has length 114 [2023-04-03 00:54:28,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:54:28,954 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 417 transitions. [2023-04-03 00:54:28,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:54:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 417 transitions. [2023-04-03 00:54:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 00:54:28,957 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:54:28,957 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:54:28,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:54:28,957 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:54:28,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:54:28,958 INFO L85 PathProgramCache]: Analyzing trace with hash 726817844, now seen corresponding path program 1 times [2023-04-03 00:54:28,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:54:28,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316775369] [2023-04-03 00:54:28,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:54:28,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:54:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:54:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:54:29,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:54:29,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316775369] [2023-04-03 00:54:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316775369] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:54:29,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:54:29,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:54:29,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136033653] [2023-04-03 00:54:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:54:29,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:54:29,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:54:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:54:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:54:29,382 INFO L87 Difference]: Start difference. First operand 354 states and 417 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:54:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:54:29,509 INFO L93 Difference]: Finished difference Result 536 states and 622 transitions. [2023-04-03 00:54:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:54:29,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-03 00:54:29,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:54:29,517 INFO L225 Difference]: With dead ends: 536 [2023-04-03 00:54:29,518 INFO L226 Difference]: Without dead ends: 356 [2023-04-03 00:54:29,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:54:29,526 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 0 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:54:29,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 752 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:54:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-04-03 00:54:29,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2023-04-03 00:54:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 181 states have (on average 1.1823204419889504) internal successors, (214), 186 states have internal predecessors, (214), 105 states have call successors, (105), 73 states have call predecessors, (105), 69 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-03 00:54:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 419 transitions. [2023-04-03 00:54:29,562 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 419 transitions. Word has length 115 [2023-04-03 00:54:29,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:54:29,564 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 419 transitions. [2023-04-03 00:54:29,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:54:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 419 transitions. [2023-04-03 00:54:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 00:54:29,571 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:54:29,571 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:54:29,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:54:29,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:54:29,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:54:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash -832988609, now seen corresponding path program 1 times [2023-04-03 00:54:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:54:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008840109] [2023-04-03 00:54:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:54:29,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:54:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:54:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:54:29,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:54:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008840109] [2023-04-03 00:54:29,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008840109] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:54:29,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:54:29,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:54:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660980173] [2023-04-03 00:54:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:54:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:54:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:54:29,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:54:29,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:54:29,766 INFO L87 Difference]: Start difference. First operand 356 states and 419 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:54:29,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:54:29,882 INFO L93 Difference]: Finished difference Result 696 states and 848 transitions. [2023-04-03 00:54:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:54:29,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 127 [2023-04-03 00:54:29,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:54:29,886 INFO L225 Difference]: With dead ends: 696 [2023-04-03 00:54:29,886 INFO L226 Difference]: Without dead ends: 398 [2023-04-03 00:54:29,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:54:29,893 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 53 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:54:29,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 752 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:54:29,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-04-03 00:54:29,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2023-04-03 00:54:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 213 states have (on average 1.2535211267605635) internal successors, (267), 218 states have internal predecessors, (267), 114 states have call successors, (114), 73 states have call predecessors, (114), 69 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-03 00:54:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 490 transitions. [2023-04-03 00:54:29,916 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 490 transitions. Word has length 127 [2023-04-03 00:54:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:54:29,917 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 490 transitions. [2023-04-03 00:54:29,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:54:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 490 transitions. [2023-04-03 00:54:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:54:29,921 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:54:29,921 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:54:29,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:54:29,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:54:29,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:54:29,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1687188742, now seen corresponding path program 1 times [2023-04-03 00:54:29,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:54:29,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253932400] [2023-04-03 00:54:29,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:54:29,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:54:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:54:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:54:30,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:54:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253932400] [2023-04-03 00:54:30,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253932400] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:54:30,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095096030] [2023-04-03 00:54:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:54:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:54:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:54:30,147 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) [2023-04-03 00:54:30,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:54:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:54:30,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:54:30,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:54:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:54:30,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:54:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:54:30,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095096030] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:54:30,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [762520138] [2023-04-03 00:54:30,966 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-03 00:54:30,967 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:54:30,970 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:54:30,974 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:54:30,974 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:54:35,459 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:54:36,180 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 315 for LOIs [2023-04-03 00:54:41,904 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:54:44,651 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:54:46,193 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:54:46,940 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:54:48,381 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:54:49,279 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:58:41,691 WARN L223 SmtUtils]: Spent 3.84m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:58:41,845 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs