/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_spec0_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:02:54,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:02:54,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:02:54,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:02:54,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:02:54,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:02:54,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:02:54,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:02:54,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:02:54,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:02:54,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:02:54,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:02:54,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:02:54,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:02:54,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:02:54,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:02:54,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:02:54,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:02:54,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:02:54,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:02:54,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:02:54,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:02:54,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:02:54,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:02:54,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:02:54,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:02:54,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:02:54,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:02:54,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:02:54,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:02:54,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:02:54,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:02:54,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:02:54,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:02:54,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:02:54,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:02:54,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:02:54,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:02:54,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:02:54,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:02:54,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:02:54,663 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 00:02:54,692 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:02:54,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:02:54,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:02:54,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:02:54,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:02:54,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:02:54,694 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:02:54,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:02:54,694 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:02:54,694 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:02:54,695 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:02:54,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:02:54,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:02:54,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:02:54,695 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:02:54,695 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:02:54,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:02:54,696 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:02:54,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:02:54,697 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:02:54,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:02:54,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:02:54,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:02:54,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:02:54,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:02:54,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:02:54,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:02:54,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:02:54,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:02:54,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:02:54,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:02:54,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:02:54,953 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:02:54,953 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:02:54,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2023-04-03 00:02:55,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:02:56,342 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:02:56,343 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2023-04-03 00:02:56,364 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622eb272f/30d8316d8aa04b73b54ea15579d282f4/FLAG4e78beacf [2023-04-03 00:02:56,379 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622eb272f/30d8316d8aa04b73b54ea15579d282f4 [2023-04-03 00:02:56,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:02:56,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:02:56,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:02:56,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:02:56,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:02:56,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:02:56" (1/1) ... [2023-04-03 00:02:56,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3255fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:56, skipping insertion in model container [2023-04-03 00:02:56,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:02:56" (1/1) ... [2023-04-03 00:02:56,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:02:56,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:02:56,619 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_spec0_product37.cil.c[1542,1555] [2023-04-03 00:02:56,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:02:56,949 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:02:56,958 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_spec0_product37.cil.c[1542,1555] [2023-04-03 00:02:57,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:02:57,055 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:02:57,060 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:02:57,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57 WrapperNode [2023-04-03 00:02:57,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:02:57,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:02:57,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:02:57,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:02:57,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:02:57,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:02:57,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:02:57,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:02:57,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:02:57,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:02:57,206 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 00:02:57,249 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 00:02:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:02:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:02:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:02:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:02:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:02:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:02:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:02:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:02:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:02:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:02:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:02:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:02:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:02:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:02:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:02:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:02:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:02:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:02:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:02:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:02:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:02:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:02:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:02:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:02:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:02:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:02:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:02:57,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:02:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:02:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:02:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:02:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:02:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:02:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:02:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:02:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:02:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:02:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:02:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:02:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:02:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:02:57,599 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:02:57,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:02:58,264 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:02:58,794 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:02:58,794 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:02:58,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:02:58 BoogieIcfgContainer [2023-04-03 00:02:58,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:02:58,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:02:58,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:02:58,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:02:58,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:02:56" (1/3) ... [2023-04-03 00:02:58,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f75b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:02:58, skipping insertion in model container [2023-04-03 00:02:58,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (2/3) ... [2023-04-03 00:02:58,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f75b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:02:58, skipping insertion in model container [2023-04-03 00:02:58,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:02:58" (3/3) ... [2023-04-03 00:02:58,809 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2023-04-03 00:02:58,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:02:58,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:02:58,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:02:58,873 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;@10a8a45c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:02:58,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:02:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 312 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 162 states have internal predecessors, (187), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:02:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-03 00:02:58,890 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:02:58,891 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] [2023-04-03 00:02:58,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:02:58,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:02:58,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1375380379, now seen corresponding path program 1 times [2023-04-03 00:02:58,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:02:58,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328130093] [2023-04-03 00:02:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:02:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:02:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:02:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:02:59,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:02:59,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328130093] [2023-04-03 00:02:59,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328130093] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:02:59,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:02:59,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:02:59,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997160850] [2023-04-03 00:02:59,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:02:59,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:02:59,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:02:59,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:02:59,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:02:59,443 INFO L87 Difference]: Start difference. First operand has 312 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 162 states have internal predecessors, (187), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:02:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:02:59,573 INFO L93 Difference]: Finished difference Result 425 states and 499 transitions. [2023-04-03 00:02:59,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:02:59,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 134 [2023-04-03 00:02:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:02:59,599 INFO L225 Difference]: With dead ends: 425 [2023-04-03 00:02:59,599 INFO L226 Difference]: Without dead ends: 291 [2023-04-03 00:02:59,602 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 00:02:59,604 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:02:59,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:02:59,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-04-03 00:02:59,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-04-03 00:02:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 147 states have (on average 1.183673469387755) internal successors, (174), 150 states have internal predecessors, (174), 86 states have call successors, (86), 61 states have call predecessors, (86), 57 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-03 00:02:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2023-04-03 00:02:59,672 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 134 [2023-04-03 00:02:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:02:59,683 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2023-04-03 00:02:59,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:02:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2023-04-03 00:02:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 00:02:59,687 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:02:59,687 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] [2023-04-03 00:02:59,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:02:59,687 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:02:59,688 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:02:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 4185307, now seen corresponding path program 1 times [2023-04-03 00:02:59,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:02:59,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561418681] [2023-04-03 00:02:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:02:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:02:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:03:00,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:00,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561418681] [2023-04-03 00:03:00,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561418681] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:00,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:00,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:03:00,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661051776] [2023-04-03 00:03:00,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:00,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:03:00,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:00,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:03:00,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:03:00,212 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:03:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:00,349 INFO L93 Difference]: Finished difference Result 410 states and 470 transitions. [2023-04-03 00:03:00,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:03:00,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 135 [2023-04-03 00:03:00,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:00,354 INFO L225 Difference]: With dead ends: 410 [2023-04-03 00:03:00,354 INFO L226 Difference]: Without dead ends: 293 [2023-04-03 00:03:00,355 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 00:03:00,355 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 0 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:03:00,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 618 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:03:00,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-04-03 00:03:00,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2023-04-03 00:03:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 149 states have (on average 1.1812080536912752) internal successors, (176), 152 states have internal predecessors, (176), 86 states have call successors, (86), 61 states have call predecessors, (86), 57 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-03 00:03:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 343 transitions. [2023-04-03 00:03:00,404 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 343 transitions. Word has length 135 [2023-04-03 00:03:00,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:00,405 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 343 transitions. [2023-04-03 00:03:00,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:03:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 343 transitions. [2023-04-03 00:03:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-03 00:03:00,407 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:00,407 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:00,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:03:00,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:00,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1405371841, now seen corresponding path program 1 times [2023-04-03 00:03:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:00,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300630684] [2023-04-03 00:03:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:03:00,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:00,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300630684] [2023-04-03 00:03:00,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300630684] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:00,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:00,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:03:00,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998302169] [2023-04-03 00:03:00,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:00,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:03:00,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:00,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:03:00,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:03:00,589 INFO L87 Difference]: Start difference. First operand 293 states and 343 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:03:00,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:00,679 INFO L93 Difference]: Finished difference Result 570 states and 696 transitions. [2023-04-03 00:03:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:03:00,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 147 [2023-04-03 00:03:00,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:00,685 INFO L225 Difference]: With dead ends: 570 [2023-04-03 00:03:00,685 INFO L226 Difference]: Without dead ends: 335 [2023-04-03 00:03:00,687 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 00:03:00,687 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 53 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:03:00,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 622 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:03:00,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-04-03 00:03:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 334. [2023-04-03 00:03:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 181 states have (on average 1.2651933701657458) internal successors, (229), 184 states have internal predecessors, (229), 95 states have call successors, (95), 61 states have call predecessors, (95), 57 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:03:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 414 transitions. [2023-04-03 00:03:00,711 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 414 transitions. Word has length 147 [2023-04-03 00:03:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:00,712 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 414 transitions. [2023-04-03 00:03:00,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:03:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 414 transitions. [2023-04-03 00:03:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-03 00:03:00,717 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:00,717 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:00,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:03:00,718 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:00,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:00,718 INFO L85 PathProgramCache]: Analyzing trace with hash 34047567, now seen corresponding path program 1 times [2023-04-03 00:03:00,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:00,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251107995] [2023-04-03 00:03:00,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:00,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:03:00,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:00,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251107995] [2023-04-03 00:03:00,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251107995] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:03:00,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843267177] [2023-04-03 00:03:00,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:00,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:03:00,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:03:00,979 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 00:03:01,016 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 00:03:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:01,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:03:01,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:03:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:03:01,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:03:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:03:01,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843267177] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:03:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1235950319] [2023-04-03 00:03:01,785 INFO L159 IcfgInterpreter]: Started Sifa with 135 locations of interest [2023-04-03 00:03:01,786 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:03:01,788 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:03:01,792 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:03:01,792 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:03:05,440 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:03:06,145 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 303 for LOIs [2023-04-03 00:03:11,078 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:03:13,636 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:03:15,093 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:03:15,849 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:03:17,399 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:03:18,248 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:07:02,192 WARN L223 SmtUtils]: Spent 3.70m 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 00:07:02,341 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs