/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:52:45,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:52:45,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:52:45,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:52:45,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:52:45,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:52:45,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:52:45,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:52:45,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:52:45,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:52:45,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:52:45,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:52:45,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:52:45,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:52:45,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:52:45,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:52:45,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:52:45,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:52:45,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:52:45,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:52:45,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:52:45,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:52:45,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:52:45,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:52:45,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:52:45,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:52:45,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:52:45,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:52:45,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:52:45,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:52:45,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:52:45,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:52:45,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:52:45,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:52:45,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:52:45,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:52:45,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:52:45,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:52:45,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:52:45,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:52:45,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:52:45,378 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 [2023-04-01 05:52:45,398 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:52:45,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:52:45,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:52:45,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:52:45,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:52:45,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:52:45,399 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:52:45,400 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:52:45,400 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:52:45,400 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:52:45,400 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:52:45,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:52:45,400 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:52:45,400 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:52:45,401 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:52:45,401 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:52:45,401 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:52:45,401 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:52:45,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:52:45,402 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:52:45,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:52:45,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:52:45,403 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:52:45,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:52:45,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:52:45,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:52:45,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:52:45,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:52:45,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:52:45,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:52:45,583 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:52:45,584 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:52:45,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2023-04-01 05:52:46,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:52:46,932 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:52:46,933 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2023-04-01 05:52:46,958 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08aec7f2a/1d5e87ff6990458c8d867de82a599311/FLAG7caa8c259 [2023-04-01 05:52:46,972 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08aec7f2a/1d5e87ff6990458c8d867de82a599311 [2023-04-01 05:52:46,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:52:46,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:52:46,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:52:46,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:52:46,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:52:46,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:52:46" (1/1) ... [2023-04-01 05:52:46,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609778c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:46, skipping insertion in model container [2023-04-01 05:52:46,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:52:46" (1/1) ... [2023-04-01 05:52:46,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:52:47,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:52:47,244 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_product14.cil.c[8145,8158] [2023-04-01 05:52:47,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:52:47,499 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:52:47,517 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_product14.cil.c[8145,8158] [2023-04-01 05:52:47,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:52:47,590 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:52:47,601 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:52:47,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47 WrapperNode [2023-04-01 05:52:47,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:52:47,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:52:47,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:52:47,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:52:47,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:52:47,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:52:47,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:52:47,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:52:47,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (1/1) ... [2023-04-01 05:52:47,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:52:47,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:52:47,786 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) [2023-04-01 05:52:47,805 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 [2023-04-01 05:52:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:52:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:52:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:52:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:52:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:52:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:52:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:52:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:52:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:52:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:52:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:52:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:52:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:52:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:52:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:52:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:52:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:52:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:52:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:52:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:52:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 05:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:52:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:52:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:52:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:52:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:52:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:52:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:52:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:52:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:52:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 05:52:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:52:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:52:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-01 05:52:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-01 05:52:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:52:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:52:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:52:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:52:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:52:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:52:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:52:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:52:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:52:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 05:52:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:52:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:52:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:52:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:52:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:52:48,147 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:52:48,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:52:49,094 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:52:49,661 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:52:49,662 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:52:49,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:52:49 BoogieIcfgContainer [2023-04-01 05:52:49,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:52:49,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:52:49,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:52:49,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:52:49,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:52:46" (1/3) ... [2023-04-01 05:52:49,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1782f214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:52:49, skipping insertion in model container [2023-04-01 05:52:49,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:52:47" (2/3) ... [2023-04-01 05:52:49,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1782f214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:52:49, skipping insertion in model container [2023-04-01 05:52:49,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:52:49" (3/3) ... [2023-04-01 05:52:49,671 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product14.cil.c [2023-04-01 05:52:49,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:52:49,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:52:49,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:52:49,739 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;@dbb12ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:52:49,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:52:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 180 states have (on average 1.2055555555555555) internal successors, (217), 187 states have internal predecessors, (217), 105 states have call successors, (105), 66 states have call predecessors, (105), 66 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-01 05:52:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 05:52:49,763 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:52:49,764 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] [2023-04-01 05:52:49,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:52:49,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:52:49,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1702744672, now seen corresponding path program 1 times [2023-04-01 05:52:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:52:49,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410191959] [2023-04-01 05:52:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:52:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:52:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:52:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:52:50,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:52:50,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410191959] [2023-04-01 05:52:50,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410191959] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:52:50,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:52:50,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:52:50,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14887210] [2023-04-01 05:52:50,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:52:50,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:52:50,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:52:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:52:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:52:50,264 INFO L87 Difference]: Start difference. First operand has 359 states, 180 states have (on average 1.2055555555555555) internal successors, (217), 187 states have internal predecessors, (217), 105 states have call successors, (105), 66 states have call predecessors, (105), 66 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:52:50,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:52:50,434 INFO L93 Difference]: Finished difference Result 469 states and 564 transitions. [2023-04-01 05:52:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:52:50,439 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-04-01 05:52:50,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:52:50,461 INFO L225 Difference]: With dead ends: 469 [2023-04-01 05:52:50,461 INFO L226 Difference]: Without dead ends: 313 [2023-04-01 05:52:50,469 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 [2023-04-01 05:52:50,479 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:52:50,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:52:50,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-04-01 05:52:50,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2023-04-01 05:52:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 157 states have (on average 1.197452229299363) internal successors, (188), 161 states have internal predecessors, (188), 95 states have call successors, (95), 64 states have call predecessors, (95), 60 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-01 05:52:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 373 transitions. [2023-04-01 05:52:50,572 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 373 transitions. Word has length 121 [2023-04-01 05:52:50,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:52:50,575 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 373 transitions. [2023-04-01 05:52:50,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:52:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 373 transitions. [2023-04-01 05:52:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-01 05:52:50,585 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:52:50,585 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] [2023-04-01 05:52:50,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:52:50,586 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:52:50,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:52:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1755003705, now seen corresponding path program 1 times [2023-04-01 05:52:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:52:50,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464964833] [2023-04-01 05:52:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:52:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:52:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:52:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:52:50,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:52:50,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464964833] [2023-04-01 05:52:50,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464964833] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:52:50,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:52:50,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:52:50,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057183344] [2023-04-01 05:52:50,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:52:50,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:52:50,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:52:50,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:52:50,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:52:50,893 INFO L87 Difference]: Start difference. First operand 313 states and 373 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:52:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:52:51,010 INFO L93 Difference]: Finished difference Result 454 states and 533 transitions. [2023-04-01 05:52:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:52:51,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-04-01 05:52:51,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:52:51,017 INFO L225 Difference]: With dead ends: 454 [2023-04-01 05:52:51,017 INFO L226 Difference]: Without dead ends: 315 [2023-04-01 05:52:51,022 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 [2023-04-01 05:52:51,024 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:52:51,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:52:51,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-04-01 05:52:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2023-04-01 05:52:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 159 states have (on average 1.1949685534591195) internal successors, (190), 163 states have internal predecessors, (190), 95 states have call successors, (95), 64 states have call predecessors, (95), 60 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-01 05:52:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 375 transitions. [2023-04-01 05:52:51,104 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 375 transitions. Word has length 122 [2023-04-01 05:52:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:52:51,105 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 375 transitions. [2023-04-01 05:52:51,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:52:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 375 transitions. [2023-04-01 05:52:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-01 05:52:51,106 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:52:51,107 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] [2023-04-01 05:52:51,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:52:51,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:52:51,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:52:51,107 INFO L85 PathProgramCache]: Analyzing trace with hash -70173544, now seen corresponding path program 1 times [2023-04-01 05:52:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:52:51,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126104802] [2023-04-01 05:52:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:52:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:52:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:52:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:52:51,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:52:51,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126104802] [2023-04-01 05:52:51,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126104802] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:52:51,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:52:51,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:52:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304331590] [2023-04-01 05:52:51,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:52:51,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:52:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:52:51,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:52:51,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:52:51,272 INFO L87 Difference]: Start difference. First operand 315 states and 375 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:52:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:52:51,354 INFO L93 Difference]: Finished difference Result 612 states and 757 transitions. [2023-04-01 05:52:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:52:51,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-04-01 05:52:51,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:52:51,358 INFO L225 Difference]: With dead ends: 612 [2023-04-01 05:52:51,358 INFO L226 Difference]: Without dead ends: 355 [2023-04-01 05:52:51,361 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 [2023-04-01 05:52:51,365 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 52 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:52:51,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 674 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:52:51,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-04-01 05:52:51,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2023-04-01 05:52:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 190 states have (on average 1.2736842105263158) internal successors, (242), 194 states have internal predecessors, (242), 103 states have call successors, (103), 64 states have call predecessors, (103), 60 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-01 05:52:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 443 transitions. [2023-04-01 05:52:51,383 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 443 transitions. Word has length 127 [2023-04-01 05:52:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:52:51,384 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 443 transitions. [2023-04-01 05:52:51,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:52:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 443 transitions. [2023-04-01 05:52:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 05:52:51,388 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:52:51,389 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] [2023-04-01 05:52:51,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:52:51,389 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:52:51,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:52:51,399 INFO L85 PathProgramCache]: Analyzing trace with hash 24418662, now seen corresponding path program 1 times [2023-04-01 05:52:51,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:52:51,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122811885] [2023-04-01 05:52:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:52:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:52:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:52:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:52:51,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:52:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122811885] [2023-04-01 05:52:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122811885] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:52:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686546862] [2023-04-01 05:52:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:52:51,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:52:51,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:52:51,651 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) [2023-04-01 05:52:51,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:52:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:52:52,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 2101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:52:52,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:52:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:52:52,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:52:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:52:52,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686546862] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:52:52,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1542808730] [2023-04-01 05:52:52,408 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-01 05:52:52,408 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:52:52,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:52:52,416 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:52:52,417 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:52:56,377 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 05:52:56,958 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 339 for LOIs [2023-04-01 05:53:03,476 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-01 05:53:06,354 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-01 05:53:07,886 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-01 05:53:08,670 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-01 05:53:10,130 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-01 05:53:11,015 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs