/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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 23:58:21,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 23:58:21,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 23:58:21,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 23:58:21,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 23:58:21,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 23:58:21,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 23:58:21,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 23:58:21,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 23:58:21,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 23:58:21,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 23:58:21,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 23:58:21,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 23:58:21,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 23:58:21,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 23:58:21,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 23:58:21,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 23:58:21,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 23:58:21,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 23:58:21,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 23:58:21,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 23:58:21,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 23:58:21,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 23:58:21,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 23:58:21,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 23:58:21,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 23:58:21,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 23:58:21,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 23:58:21,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 23:58:21,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 23:58:21,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 23:58:21,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 23:58:21,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 23:58:21,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 23:58:21,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 23:58:21,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 23:58:21,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 23:58:21,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 23:58:21,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 23:58:21,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 23:58:21,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 23:58:21,656 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 [2023-04-02 23:58:21,674 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 23:58:21,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 23:58:21,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 23:58:21,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 23:58:21,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 23:58:21,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 23:58:21,675 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 23:58:21,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 23:58:21,675 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 23:58:21,676 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 23:58:21,676 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 23:58:21,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 23:58:21,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 23:58:21,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 23:58:21,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 23:58:21,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 23:58:21,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 23:58:21,678 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 23:58:21,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 23:58:21,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 23:58:21,679 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 23:58:21,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 23:58:21,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 23:58:21,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 23:58:21,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 23:58:21,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 23:58:21,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 23:58:21,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 23:58:21,903 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 23:58:21,903 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 23:58:21,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2023-04-02 23:58:22,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 23:58:23,135 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 23:58:23,136 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2023-04-02 23:58:23,157 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba229e302/019a26ddb30540b4818c3628974b4d2c/FLAG740b1d706 [2023-04-02 23:58:23,167 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba229e302/019a26ddb30540b4818c3628974b4d2c [2023-04-02 23:58:23,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 23:58:23,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 23:58:23,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 23:58:23,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 23:58:23,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 23:58:23,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3120fa86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23, skipping insertion in model container [2023-04-02 23:58:23,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 23:58:23,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 23:58:23,463 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_product16.cil.c[7449,7462] [2023-04-02 23:58:23,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 23:58:23,685 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 23:58:23,711 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_product16.cil.c[7449,7462] [2023-04-02 23:58:23,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 23:58:23,789 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 23:58:23,794 INFO L208 MainTranslator]: Completed translation [2023-04-02 23:58:23,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23 WrapperNode [2023-04-02 23:58:23,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 23:58:23,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 23:58:23,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 23:58:23,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 23:58:23,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,895 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 23:58:23,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 23:58:23,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 23:58:23,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 23:58:23,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (1/1) ... [2023-04-02 23:58:23,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 23:58:23,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 23:58:23,951 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) [2023-04-02 23:58:23,965 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 [2023-04-02 23:58:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 23:58:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 23:58:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 23:58:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 23:58:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 23:58:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 23:58:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 23:58:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 23:58:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 23:58:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 23:58:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 23:58:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 23:58:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 23:58:24,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 23:58:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 23:58:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 23:58:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 23:58:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 23:58:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 23:58:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 23:58:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 23:58:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 23:58:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 23:58:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 23:58:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 23:58:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 23:58:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 23:58:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 23:58:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 23:58:24,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 23:58:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 23:58:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 23:58:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 23:58:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 23:58:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 23:58:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 23:58:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 23:58:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 23:58:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 23:58:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 23:58:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 23:58:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 23:58:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 23:58:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 23:58:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 23:58:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 23:58:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 23:58:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 23:58:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 23:58:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 23:58:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 23:58:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 23:58:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 23:58:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 23:58:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 23:58:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 23:58:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 23:58:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 23:58:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 23:58:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 23:58:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 23:58:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 23:58:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 23:58:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 23:58:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 23:58:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 23:58:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 23:58:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 23:58:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 23:58:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 23:58:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 23:58:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 23:58:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 23:58:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 23:58:24,025 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 23:58:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 23:58:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 23:58:24,277 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 23:58:24,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 23:58:25,145 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 23:58:25,632 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 23:58:25,632 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 23:58:25,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 11:58:25 BoogieIcfgContainer [2023-04-02 23:58:25,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 23:58:25,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 23:58:25,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 23:58:25,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 23:58:25,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 11:58:23" (1/3) ... [2023-04-02 23:58:25,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d6a06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 11:58:25, skipping insertion in model container [2023-04-02 23:58:25,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:23" (2/3) ... [2023-04-02 23:58:25,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d6a06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 11:58:25, skipping insertion in model container [2023-04-02 23:58:25,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 11:58:25" (3/3) ... [2023-04-02 23:58:25,647 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product16.cil.c [2023-04-02 23:58:25,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 23:58:25,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 23:58:25,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 23:58:25,719 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;@698203e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 23:58:25,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 23:58:25,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 345 states, 174 states have (on average 1.2011494252873562) internal successors, (209), 181 states have internal predecessors, (209), 99 states have call successors, (99), 67 states have call predecessors, (99), 67 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-02 23:58:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 23:58:25,746 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:25,747 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, 1] [2023-04-02 23:58:25,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:25,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash -119449697, now seen corresponding path program 1 times [2023-04-02 23:58:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:25,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279402085] [2023-04-02 23:58:25,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:25,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 23:58:26,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:26,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279402085] [2023-04-02 23:58:26,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279402085] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 23:58:26,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 23:58:26,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-02 23:58:26,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10052559] [2023-04-02 23:58:26,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 23:58:26,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-02 23:58:26,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 23:58:26,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-02 23:58:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 23:58:26,253 INFO L87 Difference]: Start difference. First operand has 345 states, 174 states have (on average 1.2011494252873562) internal successors, (209), 181 states have internal predecessors, (209), 99 states have call successors, (99), 67 states have call predecessors, (99), 67 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 23:58:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 23:58:26,374 INFO L93 Difference]: Finished difference Result 498 states and 588 transitions. [2023-04-02 23:58:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-02 23:58:26,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 149 [2023-04-02 23:58:26,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 23:58:26,392 INFO L225 Difference]: With dead ends: 498 [2023-04-02 23:58:26,392 INFO L226 Difference]: Without dead ends: 324 [2023-04-02 23:58:26,400 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 [2023-04-02 23:58:26,403 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 23:58:26,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 353 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 23:58:26,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2023-04-02 23:58:26,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2023-04-02 23:58:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 165 states have (on average 1.187878787878788) internal successors, (196), 169 states have internal predecessors, (196), 95 states have call successors, (95), 67 states have call predecessors, (95), 63 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-02 23:58:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 381 transitions. [2023-04-02 23:58:26,482 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 381 transitions. Word has length 149 [2023-04-02 23:58:26,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 23:58:26,483 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 381 transitions. [2023-04-02 23:58:26,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 23:58:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 381 transitions. [2023-04-02 23:58:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-02 23:58:26,492 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:26,492 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, 1, 1] [2023-04-02 23:58:26,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 23:58:26,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:26,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:26,494 INFO L85 PathProgramCache]: Analyzing trace with hash -209943788, now seen corresponding path program 1 times [2023-04-02 23:58:26,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:26,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10013252] [2023-04-02 23:58:26,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:26,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 23:58:26,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:26,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10013252] [2023-04-02 23:58:26,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10013252] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 23:58:26,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 23:58:26,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 23:58:26,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032149632] [2023-04-02 23:58:26,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 23:58:26,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 23:58:26,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 23:58:26,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 23:58:26,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 23:58:26,779 INFO L87 Difference]: Start difference. First operand 324 states and 381 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, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 23:58:26,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 23:58:26,874 INFO L93 Difference]: Finished difference Result 483 states and 557 transitions. [2023-04-02 23:58:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 23:58:26,875 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, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 150 [2023-04-02 23:58:26,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 23:58:26,879 INFO L225 Difference]: With dead ends: 483 [2023-04-02 23:58:26,879 INFO L226 Difference]: Without dead ends: 326 [2023-04-02 23:58:26,884 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 [2023-04-02 23:58:26,886 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 0 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 23:58:26,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 686 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 23:58:26,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-04-02 23:58:26,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2023-04-02 23:58:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 167 states have (on average 1.18562874251497) internal successors, (198), 171 states have internal predecessors, (198), 95 states have call successors, (95), 67 states have call predecessors, (95), 63 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-02 23:58:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 383 transitions. [2023-04-02 23:58:26,907 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 383 transitions. Word has length 150 [2023-04-02 23:58:26,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 23:58:26,908 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 383 transitions. [2023-04-02 23:58:26,908 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, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 23:58:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 383 transitions. [2023-04-02 23:58:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-02 23:58:26,910 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:26,910 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1] [2023-04-02 23:58:26,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 23:58:26,910 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:26,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:26,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1850935886, now seen corresponding path program 1 times [2023-04-02 23:58:26,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:26,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197928904] [2023-04-02 23:58:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:26,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 23:58:27,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:27,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197928904] [2023-04-02 23:58:27,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197928904] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 23:58:27,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 23:58:27,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 23:58:27,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504969852] [2023-04-02 23:58:27,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 23:58:27,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 23:58:27,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 23:58:27,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 23:58:27,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 23:58:27,052 INFO L87 Difference]: Start difference. First operand 326 states and 383 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 23:58:27,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 23:58:27,146 INFO L93 Difference]: Finished difference Result 634 states and 773 transitions. [2023-04-02 23:58:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 23:58:27,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 155 [2023-04-02 23:58:27,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 23:58:27,148 INFO L225 Difference]: With dead ends: 634 [2023-04-02 23:58:27,148 INFO L226 Difference]: Without dead ends: 366 [2023-04-02 23:58:27,149 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 [2023-04-02 23:58:27,149 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 52 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 23:58:27,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 688 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 23:58:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-04-02 23:58:27,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2023-04-02 23:58:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 198 states have (on average 1.2626262626262625) internal successors, (250), 202 states have internal predecessors, (250), 103 states have call successors, (103), 67 states have call predecessors, (103), 63 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-02 23:58:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 451 transitions. [2023-04-02 23:58:27,160 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 451 transitions. Word has length 155 [2023-04-02 23:58:27,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 23:58:27,160 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 451 transitions. [2023-04-02 23:58:27,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-02 23:58:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 451 transitions. [2023-04-02 23:58:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-02 23:58:27,162 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:27,162 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1] [2023-04-02 23:58:27,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 23:58:27,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:27,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:27,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1200237088, now seen corresponding path program 1 times [2023-04-02 23:58:27,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:27,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449985738] [2023-04-02 23:58:27,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:27,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 23:58:27,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449985738] [2023-04-02 23:58:27,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449985738] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 23:58:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401786855] [2023-04-02 23:58:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 23:58:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 23:58:27,352 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) [2023-04-02 23:58:27,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 23:58:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:27,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 23:58:27,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 23:58:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 23:58:27,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 23:58:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 23:58:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401786855] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 23:58:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [724614694] [2023-04-02 23:58:28,078 INFO L159 IcfgInterpreter]: Started Sifa with 141 locations of interest [2023-04-02 23:58:28,078 INFO L166 IcfgInterpreter]: Building call graph [2023-04-02 23:58:28,081 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-02 23:58:28,085 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-02 23:58:28,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-02 23:58:31,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-02 23:58:31,974 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 305 for LOIs [2023-04-02 23:58:36,418 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-02 23:58:38,708 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-02 23:58:40,054 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-02 23:58:40,764 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-02 23:58:42,102 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-02 23:58:42,901 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:02:26,431 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 00:02:26,566 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs