/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_spec11_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:04:53,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:04:53,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:04:53,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:04:53,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:04:53,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:04:53,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:04:53,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:04:53,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:04:53,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:04:53,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:04:53,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:04:53,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:04:53,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:04:53,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:04:53,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:04:53,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:04:53,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:04:53,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:04:53,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:04:53,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:04:53,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:04:53,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:04:53,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:04:53,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:04:53,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:04:53,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:04:53,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:04:53,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:04:53,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:04:53,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:04:53,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:04:53,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:04:53,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:04:53,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:04:53,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:04:53,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:04:53,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:04:53,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:04:53,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:04:53,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:04:53,914 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 00:04:53,944 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:04:53,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:04:53,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:04:53,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:04:53,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:04:53,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:04:53,946 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:04:53,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:04:53,946 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:04:53,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:04:53,947 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:04:53,947 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:04:53,947 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:04:53,948 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:04:53,948 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:04:53,948 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:04:53,948 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:04:53,948 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:04:53,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:04:53,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:04:53,950 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:04:53,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:04:53,950 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:04:53,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:04:53,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:04:53,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:04:53,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:04:53,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:04:53,951 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:04:53,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:04:53,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:04:53,951 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:04:53,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:04:53,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:04:53,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:04:53,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:04:54,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:04:54,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:04:54,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:04:54,223 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:04:54,224 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:04:54,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product08.cil.c [2023-04-03 00:04:55,483 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:04:55,796 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:04:55,796 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product08.cil.c [2023-04-03 00:04:55,816 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4f4ce59/12883a64eb4c47739afdc9c779f6d97d/FLAG3a56eb0b5 [2023-04-03 00:04:55,829 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4f4ce59/12883a64eb4c47739afdc9c779f6d97d [2023-04-03 00:04:55,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:04:55,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:04:55,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:04:55,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:04:55,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:04:55,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:04:55" (1/1) ... [2023-04-03 00:04:55,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1db219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:55, skipping insertion in model container [2023-04-03 00:04:55,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:04:55" (1/1) ... [2023-04-03 00:04:55,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:04:55,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:04:56,434 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_spec11_product08.cil.c[54831,54844] [2023-04-03 00:04:56,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:04:56,454 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:04:56,554 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_spec11_product08.cil.c[54831,54844] [2023-04-03 00:04:56,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:04:56,591 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:04:56,598 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:04:56,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56 WrapperNode [2023-04-03 00:04:56,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:04:56,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:04:56,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:04:56,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:04:56,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:04:56,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:04:56,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:04:56,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:04:56,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (1/1) ... [2023-04-03 00:04:56,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:04:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:04:56,814 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 00:04:56,835 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 00:04:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:04:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:04:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:04:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:04:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:04:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:04:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:04:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:04:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:04:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:04:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:04:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:04:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:04:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:04:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:04:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:04:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:04:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:04:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:04:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:04:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:04:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:04:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:04:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:04:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:04:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:04:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:04:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:04:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:04:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:04:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:04:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:04:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:04:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:04:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-03 00:04:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:04:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:04:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:04:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:04:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:04:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:04:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:04:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:04:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:04:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:04:56,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:04:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:04:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:04:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:04:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:04:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:04:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:04:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:04:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:04:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:04:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:04:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:04:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:04:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:04:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:04:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-03 00:04:56,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:04:56,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:04:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:04:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:04:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:04:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:04:57,218 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:04:57,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:04:58,382 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:04:59,114 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:04:59,114 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:04:59,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:04:59 BoogieIcfgContainer [2023-04-03 00:04:59,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:04:59,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:04:59,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:04:59,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:04:59,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:04:55" (1/3) ... [2023-04-03 00:04:59,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a220171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:04:59, skipping insertion in model container [2023-04-03 00:04:59,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:04:56" (2/3) ... [2023-04-03 00:04:59,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a220171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:04:59, skipping insertion in model container [2023-04-03 00:04:59,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:04:59" (3/3) ... [2023-04-03 00:04:59,128 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2023-04-03 00:04:59,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:04:59,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:04:59,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:04:59,228 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;@2db67f01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:04:59,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:04:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 148 states have internal predecessors, (173), 80 states have call successors, (80), 54 states have call predecessors, (80), 54 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-04-03 00:04:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 00:04:59,267 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:04:59,268 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:04:59,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:04:59,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:04:59,276 INFO L85 PathProgramCache]: Analyzing trace with hash -73589916, now seen corresponding path program 1 times [2023-04-03 00:04:59,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:04:59,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340586532] [2023-04-03 00:04:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:04:59,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:04:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:04:59,830 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 00:04:59,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:04:59,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340586532] [2023-04-03 00:04:59,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340586532] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:04:59,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:04:59,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:04:59,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923435220] [2023-04-03 00:04:59,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:04:59,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:04:59,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:04:59,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:04:59,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:04:59,883 INFO L87 Difference]: Start difference. First operand has 283 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 148 states have internal predecessors, (173), 80 states have call successors, (80), 54 states have call predecessors, (80), 54 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:00,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:05:00,008 INFO L93 Difference]: Finished difference Result 362 states and 424 transitions. [2023-04-03 00:05:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:05:00,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 122 [2023-04-03 00:05:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:05:00,026 INFO L225 Difference]: With dead ends: 362 [2023-04-03 00:05:00,026 INFO L226 Difference]: Without dead ends: 256 [2023-04-03 00:05:00,031 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 00:05:00,039 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:05:00,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:05:00,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-04-03 00:05:00,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2023-04-03 00:05:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 131 states have (on average 1.1984732824427482) internal successors, (157), 133 states have internal predecessors, (157), 74 states have call successors, (74), 54 states have call predecessors, (74), 50 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-04-03 00:05:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 300 transitions. [2023-04-03 00:05:00,124 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 300 transitions. Word has length 122 [2023-04-03 00:05:00,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:05:00,126 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 300 transitions. [2023-04-03 00:05:00,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 300 transitions. [2023-04-03 00:05:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-03 00:05:00,133 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:05:00,134 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:05:00,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:05:00,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:05:00,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:05:00,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1432811917, now seen corresponding path program 1 times [2023-04-03 00:05:00,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:05:00,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166381073] [2023-04-03 00:05:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:05:00,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:05:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:05:00,454 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 00:05:00,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:05:00,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166381073] [2023-04-03 00:05:00,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166381073] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:05:00,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:05:00,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:05:00,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486651326] [2023-04-03 00:05:00,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:05:00,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:05:00,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:05:00,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:05:00,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:05:00,459 INFO L87 Difference]: Start difference. First operand 256 states and 300 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:05:00,555 INFO L93 Difference]: Finished difference Result 347 states and 395 transitions. [2023-04-03 00:05:00,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:05:00,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 123 [2023-04-03 00:05:00,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:05:00,563 INFO L225 Difference]: With dead ends: 347 [2023-04-03 00:05:00,563 INFO L226 Difference]: Without dead ends: 258 [2023-04-03 00:05:00,564 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 00:05:00,565 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:05:00,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:05:00,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-04-03 00:05:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2023-04-03 00:05:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 133 states have (on average 1.1954887218045114) internal successors, (159), 135 states have internal predecessors, (159), 74 states have call successors, (74), 54 states have call predecessors, (74), 50 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-04-03 00:05:00,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 302 transitions. [2023-04-03 00:05:00,588 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 302 transitions. Word has length 123 [2023-04-03 00:05:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:05:00,589 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 302 transitions. [2023-04-03 00:05:00,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 302 transitions. [2023-04-03 00:05:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 00:05:00,599 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:05:00,599 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, 1, 1, 1, 1] [2023-04-03 00:05:00,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:05:00,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:05:00,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:05:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash -810408674, now seen corresponding path program 1 times [2023-04-03 00:05:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:05:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414275803] [2023-04-03 00:05:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:05:00,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:05:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:05:00,797 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 00:05:00,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:05:00,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414275803] [2023-04-03 00:05:00,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414275803] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:05:00,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:05:00,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:05:00,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475157485] [2023-04-03 00:05:00,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:05:00,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:05:00,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:05:00,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:05:00,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:05:00,800 INFO L87 Difference]: Start difference. First operand 258 states and 302 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:00,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:05:00,871 INFO L93 Difference]: Finished difference Result 498 states and 611 transitions. [2023-04-03 00:05:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:05:00,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 132 [2023-04-03 00:05:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:05:00,874 INFO L225 Difference]: With dead ends: 498 [2023-04-03 00:05:00,874 INFO L226 Difference]: Without dead ends: 298 [2023-04-03 00:05:00,875 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 00:05:00,876 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 52 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:05:00,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 548 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:05:00,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-04-03 00:05:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 297. [2023-04-03 00:05:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 166 states have internal predecessors, (211), 82 states have call successors, (82), 54 states have call predecessors, (82), 50 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-04-03 00:05:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 370 transitions. [2023-04-03 00:05:00,934 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 370 transitions. Word has length 132 [2023-04-03 00:05:00,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:05:00,934 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 370 transitions. [2023-04-03 00:05:00,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 370 transitions. [2023-04-03 00:05:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 00:05:00,937 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:05:00,938 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, 1, 1, 1, 1, 1] [2023-04-03 00:05:00,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:05:00,938 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:05:00,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:05:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash -472309869, now seen corresponding path program 1 times [2023-04-03 00:05:00,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:05:00,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006594884] [2023-04-03 00:05:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:05:00,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:05:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:05:01,109 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 00:05:01,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:05:01,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006594884] [2023-04-03 00:05:01,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006594884] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:05:01,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:05:01,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:05:01,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12381408] [2023-04-03 00:05:01,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:05:01,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:05:01,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:05:01,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:05:01,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:05:01,112 INFO L87 Difference]: Start difference. First operand 297 states and 370 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:01,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:05:01,190 INFO L93 Difference]: Finished difference Result 612 states and 810 transitions. [2023-04-03 00:05:01,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:05:01,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 133 [2023-04-03 00:05:01,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:05:01,197 INFO L225 Difference]: With dead ends: 612 [2023-04-03 00:05:01,197 INFO L226 Difference]: Without dead ends: 373 [2023-04-03 00:05:01,198 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 00:05:01,205 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 50 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:05:01,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 546 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:05:01,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-04-03 00:05:01,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 372. [2023-04-03 00:05:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 224 states have (on average 1.3883928571428572) internal successors, (311), 226 states have internal predecessors, (311), 97 states have call successors, (97), 54 states have call predecessors, (97), 50 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-03 00:05:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 500 transitions. [2023-04-03 00:05:01,231 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 500 transitions. Word has length 133 [2023-04-03 00:05:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:05:01,232 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 500 transitions. [2023-04-03 00:05:01,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:05:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 500 transitions. [2023-04-03 00:05:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 00:05:01,234 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:05:01,235 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:05:01,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:05:01,235 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:05:01,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:05:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1311760912, now seen corresponding path program 1 times [2023-04-03 00:05:01,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:05:01,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930820535] [2023-04-03 00:05:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:05:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:05:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:05:01,435 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 00:05:01,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:05:01,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930820535] [2023-04-03 00:05:01,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930820535] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:05:01,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535677024] [2023-04-03 00:05:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:05:01,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:05:01,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:05:01,444 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 00:05:01,446 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 00:05:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:05:01,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:05:01,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:05:02,063 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 00:05:02,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:05:02,268 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 00:05:02,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535677024] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:05:02,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1531990725] [2023-04-03 00:05:02,290 INFO L159 IcfgInterpreter]: Started Sifa with 125 locations of interest [2023-04-03 00:05:02,291 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:05:02,294 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:05:02,298 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:05:02,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:05:07,306 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:05:07,883 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-03 00:05:13,261 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:05:16,006 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:05:17,588 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:05:18,322 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:05:19,813 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:05:20,660 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:08:53,900 WARN L223 SmtUtils]: Spent 3.52m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:08:54,049 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs