/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:56:32,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:56:32,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:56:32,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:56:32,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:56:32,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:56:32,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:56:32,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:56:32,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:56:32,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:56:32,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:56:32,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:56:32,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:56:32,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:56:32,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:56:32,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:56:32,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:56:32,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:56:32,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:56:32,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:56:32,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:56:32,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:56:32,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:56:32,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:56:32,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:56:32,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:56:32,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:56:32,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:56:32,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:56:32,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:56:32,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:56:32,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:56:32,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:56:32,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:56:32,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:56:32,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:56:32,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:56:32,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:56:32,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:56:32,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:56:32,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:56:32,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:56:32,675 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:56:32,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:56:32,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:56:32,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:56:32,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:56:32,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:56:32,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:56:32,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:56:32,678 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:56:32,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:56:32,678 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:56:32,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:56:32,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:56:32,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:56:32,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:56:32,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:56:32,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:56:32,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:56:32,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:56:32,681 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:56:32,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:56:32,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:56:32,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:56:32,895 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:56:32,895 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:56:32,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2023-03-31 00:56:33,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:56:34,037 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:56:34,038 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2023-03-31 00:56:34,063 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665cd9d1e/4eecc3c76b06425fa3c26ccba3c20b32/FLAG68e30403d [2023-03-31 00:56:34,075 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665cd9d1e/4eecc3c76b06425fa3c26ccba3c20b32 [2023-03-31 00:56:34,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:56:34,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:56:34,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:56:34,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:56:34,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:56:34,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5a192c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34, skipping insertion in model container [2023-03-31 00:56:34,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:56:34,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:56:34,348 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_product40.cil.c[7657,7670] [2023-03-31 00:56:34,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:56:34,548 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:56:34,576 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_product40.cil.c[7657,7670] [2023-03-31 00:56:34,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:56:34,646 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:56:34,651 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:56:34,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34 WrapperNode [2023-03-31 00:56:34,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:56:34,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:56:34,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:56:34,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:56:34,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:56:34,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:56:34,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:56:34,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:56:34,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (1/1) ... [2023-03-31 00:56:34,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:56:34,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:34,771 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) [2023-03-31 00:56:34,787 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 [2023-03-31 00:56:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:56:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:56:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:56:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:56:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:56:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:56:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:56:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:56:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:56:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:56:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:56:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:56:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:56:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:56:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:56:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:56:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:56:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:56:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:56:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:56:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:56:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:56:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:56:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:56:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:56:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:56:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:56:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:56:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:56:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:56:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:56:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:56:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:56:34,832 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:56:34,833 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:56:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:56:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:56:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:56:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:56:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:56:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:56:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:56:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:56:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:56:35,172 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:56:35,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:56:36,028 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:56:36,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:56:36,044 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:56:36,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:56:36 BoogieIcfgContainer [2023-03-31 00:56:36,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:56:36,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:56:36,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:56:36,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:56:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:56:34" (1/3) ... [2023-03-31 00:56:36,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6465728d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:56:36, skipping insertion in model container [2023-03-31 00:56:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:34" (2/3) ... [2023-03-31 00:56:36,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6465728d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:56:36, skipping insertion in model container [2023-03-31 00:56:36,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:56:36" (3/3) ... [2023-03-31 00:56:36,055 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2023-03-31 00:56:36,069 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:56:36,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:56:36,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:56:36,134 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=PETRI_NET, 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;@799b2cc9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:56:36,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:56:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 511 states, 330 states have (on average 1.4515151515151514) internal successors, (479), 337 states have internal predecessors, (479), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 00:56:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-03-31 00:56:36,174 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:36,175 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1] [2023-03-31 00:56:36,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:36,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1062409427, now seen corresponding path program 1 times [2023-03-31 00:56:36,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:36,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976908173] [2023-03-31 00:56:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:36,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:56:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:56:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 00:56:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:56:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:56:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:56:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:56:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:56:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:56:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:37,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:37,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976908173] [2023-03-31 00:56:37,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976908173] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:37,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:37,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 00:56:37,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067058808] [2023-03-31 00:56:37,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:37,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 00:56:37,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:37,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 00:56:37,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:56:37,427 INFO L87 Difference]: Start difference. First operand has 511 states, 330 states have (on average 1.4515151515151514) internal successors, (479), 337 states have internal predecessors, (479), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:45,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:45,220 INFO L93 Difference]: Finished difference Result 1152 states and 1788 transitions. [2023-03-31 00:56:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-03-31 00:56:45,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 177 [2023-03-31 00:56:45,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:45,235 INFO L225 Difference]: With dead ends: 1152 [2023-03-31 00:56:45,236 INFO L226 Difference]: Without dead ends: 831 [2023-03-31 00:56:45,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=283, Invalid=709, Unknown=0, NotChecked=0, Total=992 [2023-03-31 00:56:45,245 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1752 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 941 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:45,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 85 Invalid, 2937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [941 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-03-31 00:56:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2023-03-31 00:56:45,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 482. [2023-03-31 00:56:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 315 states have (on average 1.453968253968254) internal successors, (458), 319 states have internal predecessors, (458), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-03-31 00:56:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 655 transitions. [2023-03-31 00:56:45,537 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 655 transitions. Word has length 177 [2023-03-31 00:56:45,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:45,537 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 655 transitions. [2023-03-31 00:56:45,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 655 transitions. [2023-03-31 00:56:45,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-03-31 00:56:45,544 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:45,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:45,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:56:45,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:45,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:45,545 INFO L85 PathProgramCache]: Analyzing trace with hash 734031705, now seen corresponding path program 1 times [2023-03-31 00:56:45,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:45,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657125939] [2023-03-31 00:56:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:45,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:56:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:56:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 00:56:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:56:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:56:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:56:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:56:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:56:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:56:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 00:56:46,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:46,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657125939] [2023-03-31 00:56:46,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657125939] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:46,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467470081] [2023-03-31 00:56:46,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:46,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:46,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:46,675 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) [2023-03-31 00:56:46,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:56:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:47,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:56:47,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:47,212 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:47,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467470081] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:47,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:47,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:56:47,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004300528] [2023-03-31 00:56:47,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:47,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:56:47,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:47,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:56:47,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:47,214 INFO L87 Difference]: Start difference. First operand 482 states and 655 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:47,474 INFO L93 Difference]: Finished difference Result 680 states and 904 transitions. [2023-03-31 00:56:47,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:56:47,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 178 [2023-03-31 00:56:47,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:47,477 INFO L225 Difference]: With dead ends: 680 [2023-03-31 00:56:47,477 INFO L226 Difference]: Without dead ends: 485 [2023-03-31 00:56:47,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:47,479 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 1 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:47,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1304 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:56:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-03-31 00:56:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2023-03-31 00:56:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 317 states have (on average 1.4511041009463723) internal successors, (460), 321 states have internal predecessors, (460), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-03-31 00:56:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 657 transitions. [2023-03-31 00:56:47,694 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 657 transitions. Word has length 178 [2023-03-31 00:56:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:47,695 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 657 transitions. [2023-03-31 00:56:47,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 657 transitions. [2023-03-31 00:56:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-03-31 00:56:47,698 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:47,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:47,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:56:47,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:47,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:47,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:47,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1394987704, now seen corresponding path program 1 times [2023-03-31 00:56:47,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:47,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939342005] [2023-03-31 00:56:47,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:47,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:56:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:56:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:56:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:56:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:56:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:56:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 00:56:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 00:56:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 00:56:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 00:56:48,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:48,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939342005] [2023-03-31 00:56:48,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939342005] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:48,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476805377] [2023-03-31 00:56:48,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:48,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:48,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:48,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:56:48,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:56:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:49,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 2256 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:56:49,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:49,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:49,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476805377] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:49,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:49,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:56:49,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325638713] [2023-03-31 00:56:49,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:49,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:56:49,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:49,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:56:49,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:49,332 INFO L87 Difference]: Start difference. First operand 484 states and 657 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:49,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:49,579 INFO L93 Difference]: Finished difference Result 948 states and 1318 transitions. [2023-03-31 00:56:49,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:56:49,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 190 [2023-03-31 00:56:49,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:49,584 INFO L225 Difference]: With dead ends: 948 [2023-03-31 00:56:49,584 INFO L226 Difference]: Without dead ends: 529 [2023-03-31 00:56:49,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:49,587 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 54 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:49,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1312 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:56:49,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2023-03-31 00:56:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 528. [2023-03-31 00:56:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 351 states have (on average 1.4672364672364673) internal successors, (515), 355 states have internal predecessors, (515), 111 states have call successors, (111), 69 states have call predecessors, (111), 65 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 00:56:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 732 transitions. [2023-03-31 00:56:49,827 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 732 transitions. Word has length 190 [2023-03-31 00:56:49,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:49,827 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 732 transitions. [2023-03-31 00:56:49,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 732 transitions. [2023-03-31 00:56:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-03-31 00:56:49,830 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:49,830 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:49,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:56:50,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 00:56:50,038 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:50,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:50,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1334651130, now seen corresponding path program 1 times [2023-03-31 00:56:50,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379946622] [2023-03-31 00:56:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:56:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:56:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:56:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:56:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:56:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 00:56:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 00:56:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 00:56:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 00:56:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 00:56:50,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:50,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379946622] [2023-03-31 00:56:50,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379946622] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:50,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905926515] [2023-03-31 00:56:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:50,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:50,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:50,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:56:51,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:56:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:51,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 2261 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:56:51,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:51,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905926515] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:51,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:56:51,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412113420] [2023-03-31 00:56:51,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:51,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:56:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:51,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:56:51,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:51,409 INFO L87 Difference]: Start difference. First operand 528 states and 732 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:51,692 INFO L93 Difference]: Finished difference Result 1077 states and 1538 transitions. [2023-03-31 00:56:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:56:51,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 191 [2023-03-31 00:56:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:51,695 INFO L225 Difference]: With dead ends: 1077 [2023-03-31 00:56:51,695 INFO L226 Difference]: Without dead ends: 614 [2023-03-31 00:56:51,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:51,696 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 52 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:51,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1305 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:56:51,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2023-03-31 00:56:51,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2023-03-31 00:56:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 417 states have (on average 1.4892086330935252) internal successors, (621), 421 states have internal predecessors, (621), 130 states have call successors, (130), 69 states have call predecessors, (130), 65 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-03-31 00:56:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 876 transitions. [2023-03-31 00:56:51,973 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 876 transitions. Word has length 191 [2023-03-31 00:56:51,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:51,974 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 876 transitions. [2023-03-31 00:56:51,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 876 transitions. [2023-03-31 00:56:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 00:56:51,976 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:51,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:52,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 00:56:52,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:52,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:52,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:52,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2018044392, now seen corresponding path program 1 times [2023-03-31 00:56:52,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:52,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146696965] [2023-03-31 00:56:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:52,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 00:56:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:56:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:56:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:56:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:56:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:56:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 00:56:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:56:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-03-31 00:56:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 00:56:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:53,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146696965] [2023-03-31 00:56:53,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146696965] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:53,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331429748] [2023-03-31 00:56:53,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:53,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:53,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:56:53,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:56:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:53,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:56:53,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:53,487 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:53,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331429748] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:53,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:53,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:56:53,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625222192] [2023-03-31 00:56:53,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:53,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:56:53,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:53,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:56:53,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:53,489 INFO L87 Difference]: Start difference. First operand 613 states and 876 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:53,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:53,911 INFO L93 Difference]: Finished difference Result 1326 states and 1960 transitions. [2023-03-31 00:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:56:53,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2023-03-31 00:56:53,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:53,914 INFO L225 Difference]: With dead ends: 1326 [2023-03-31 00:56:53,914 INFO L226 Difference]: Without dead ends: 778 [2023-03-31 00:56:53,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:53,916 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 50 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:53,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1308 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:56:53,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2023-03-31 00:56:54,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 777. [2023-03-31 00:56:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 545 states have (on average 1.5137614678899083) internal successors, (825), 549 states have internal predecessors, (825), 166 states have call successors, (166), 69 states have call predecessors, (166), 65 states have return successors, (161), 160 states have call predecessors, (161), 161 states have call successors, (161) [2023-03-31 00:56:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1152 transitions. [2023-03-31 00:56:54,313 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1152 transitions. Word has length 192 [2023-03-31 00:56:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:54,314 INFO L495 AbstractCegarLoop]: Abstraction has 777 states and 1152 transitions. [2023-03-31 00:56:54,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:56:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1152 transitions. [2023-03-31 00:56:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 00:56:54,317 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:54,317 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:54,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 00:56:54,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:54,525 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:54,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1567962300, now seen corresponding path program 1 times [2023-03-31 00:56:54,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:54,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478339212] [2023-03-31 00:56:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 00:56:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:56:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:56:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:56:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:56:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:56:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:56:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:56:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:56:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:56:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:56:55,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:55,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478339212] [2023-03-31 00:56:55,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478339212] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:55,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190208601] [2023-03-31 00:56:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:55,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:55,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:56:55,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 00:56:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:55,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:56:55,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 00:56:55,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:55,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190208601] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:55,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:55,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 00:56:55,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6260995] [2023-03-31 00:56:55,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:55,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:56:55,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:55,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:56:55,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:56:55,977 INFO L87 Difference]: Start difference. First operand 777 states and 1152 transitions. Second operand has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-03-31 00:56:56,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:56,961 INFO L93 Difference]: Finished difference Result 1532 states and 2284 transitions. [2023-03-31 00:56:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:56:56,961 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) Word has length 194 [2023-03-31 00:56:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:56,964 INFO L225 Difference]: With dead ends: 1532 [2023-03-31 00:56:56,964 INFO L226 Difference]: Without dead ends: 791 [2023-03-31 00:56:56,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2023-03-31 00:56:56,967 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 613 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:56,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 3406 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:56:56,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-03-31 00:56:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2023-03-31 00:56:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 556 states have (on average 1.514388489208633) internal successors, (842), 561 states have internal predecessors, (842), 166 states have call successors, (166), 71 states have call predecessors, (166), 68 states have return successors, (162), 160 states have call predecessors, (162), 161 states have call successors, (162) [2023-03-31 00:56:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1170 transitions. [2023-03-31 00:56:57,316 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1170 transitions. Word has length 194 [2023-03-31 00:56:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:57,317 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1170 transitions. [2023-03-31 00:56:57,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-03-31 00:56:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1170 transitions. [2023-03-31 00:56:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-03-31 00:56:57,319 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:57,320 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:57,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-03-31 00:56:57,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:57,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:57,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:57,527 INFO L85 PathProgramCache]: Analyzing trace with hash 221732005, now seen corresponding path program 1 times [2023-03-31 00:56:57,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:57,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160353803] [2023-03-31 00:56:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:56:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 00:56:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:56:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:56:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:56:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:56:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:56:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 00:56:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 00:56:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-03-31 00:56:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 00:56:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:56:58,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:58,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160353803] [2023-03-31 00:56:58,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160353803] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:58,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671304787] [2023-03-31 00:56:58,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:58,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:58,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:56:58,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 00:56:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:58,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:56:58,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 00:56:58,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:58,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671304787] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:58,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:58,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 00:56:58,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669297008] [2023-03-31 00:56:58,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:58,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:56:58,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:58,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:56:58,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:56:58,985 INFO L87 Difference]: Start difference. First operand 791 states and 1170 transitions. Second operand has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2023-03-31 00:56:59,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:59,791 INFO L93 Difference]: Finished difference Result 1533 states and 2290 transitions. [2023-03-31 00:56:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:56:59,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 195 [2023-03-31 00:56:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:59,794 INFO L225 Difference]: With dead ends: 1533 [2023-03-31 00:56:59,795 INFO L226 Difference]: Without dead ends: 793 [2023-03-31 00:56:59,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:56:59,797 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 605 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:59,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 2579 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:56:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-03-31 00:57:00,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2023-03-31 00:57:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 557 states have (on average 1.5134649910233393) internal successors, (843), 563 states have internal predecessors, (843), 166 states have call successors, (166), 71 states have call predecessors, (166), 69 states have return successors, (164), 160 states have call predecessors, (164), 161 states have call successors, (164) [2023-03-31 00:57:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1173 transitions. [2023-03-31 00:57:00,161 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1173 transitions. Word has length 195 [2023-03-31 00:57:00,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:00,161 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 1173 transitions. [2023-03-31 00:57:00,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 4 states have call successors, (44), 3 states have call predecessors, (44), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2023-03-31 00:57:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1173 transitions. [2023-03-31 00:57:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-03-31 00:57:00,164 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:00,165 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:00,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:00,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:00,373 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:00,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:00,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1226580775, now seen corresponding path program 1 times [2023-03-31 00:57:00,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:00,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921984900] [2023-03-31 00:57:00,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:57:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 00:57:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:57:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:57:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:57:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:57:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:57:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:57:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 00:57:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 00:57:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 00:57:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:57:01,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:01,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921984900] [2023-03-31 00:57:01,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921984900] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:01,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:01,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:57:01,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290750748] [2023-03-31 00:57:01,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:01,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:57:01,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:01,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:57:01,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:57:01,310 INFO L87 Difference]: Start difference. First operand 793 states and 1173 transitions. Second operand has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 7 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 7 states have call successors, (33) [2023-03-31 00:57:13,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:13,329 INFO L93 Difference]: Finished difference Result 3164 states and 5419 transitions. [2023-03-31 00:57:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 00:57:13,330 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 7 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 7 states have call successors, (33) Word has length 196 [2023-03-31 00:57:13,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:13,340 INFO L225 Difference]: With dead ends: 3164 [2023-03-31 00:57:13,340 INFO L226 Difference]: Without dead ends: 2430 [2023-03-31 00:57:13,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=555, Invalid=1995, Unknown=0, NotChecked=0, Total=2550 [2023-03-31 00:57:13,343 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2705 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7925 mSolverCounterSat, 1361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2708 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1361 IncrementalHoareTripleChecker+Valid, 7925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:13,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2708 Valid, 81 Invalid, 9286 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1361 Valid, 7925 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-03-31 00:57:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2023-03-31 00:57:13,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 803. [2023-03-31 00:57:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 566 states have (on average 1.510600706713781) internal successors, (855), 571 states have internal predecessors, (855), 166 states have call successors, (166), 73 states have call predecessors, (166), 70 states have return successors, (163), 160 states have call predecessors, (163), 161 states have call successors, (163) [2023-03-31 00:57:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1184 transitions. [2023-03-31 00:57:13,826 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1184 transitions. Word has length 196 [2023-03-31 00:57:13,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:13,826 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1184 transitions. [2023-03-31 00:57:13,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 7 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 7 states have call successors, (33) [2023-03-31 00:57:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1184 transitions. [2023-03-31 00:57:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-03-31 00:57:13,829 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:13,829 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:13,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:57:13,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:13,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2138832522, now seen corresponding path program 2 times [2023-03-31 00:57:13,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:13,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142110985] [2023-03-31 00:57:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:13,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:57:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 00:57:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 00:57:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:57:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:57:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:57:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:57:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:57:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 00:57:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 00:57:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-03-31 00:57:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:57:14,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142110985] [2023-03-31 00:57:14,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142110985] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:14,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:14,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 00:57:14,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773506354] [2023-03-31 00:57:14,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:14,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 00:57:14,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:14,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 00:57:14,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:14,805 INFO L87 Difference]: Start difference. First operand 803 states and 1184 transitions. Second operand has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-03-31 00:57:26,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:26,764 INFO L93 Difference]: Finished difference Result 3166 states and 5424 transitions. [2023-03-31 00:57:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-31 00:57:26,764 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) Word has length 197 [2023-03-31 00:57:26,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:26,793 INFO L225 Difference]: With dead ends: 3166 [2023-03-31 00:57:26,793 INFO L226 Difference]: Without dead ends: 2443 [2023-03-31 00:57:26,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2023-03-31 00:57:26,809 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4072 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8603 mSolverCounterSat, 2140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4075 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2140 IncrementalHoareTripleChecker+Valid, 8603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:26,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4075 Valid, 90 Invalid, 10743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2140 Valid, 8603 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-03-31 00:57:26,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2023-03-31 00:57:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 808. [2023-03-31 00:57:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 568 states have (on average 1.5088028169014085) internal successors, (857), 574 states have internal predecessors, (857), 167 states have call successors, (167), 73 states have call predecessors, (167), 72 states have return successors, (166), 162 states have call predecessors, (166), 162 states have call successors, (166) [2023-03-31 00:57:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1190 transitions. [2023-03-31 00:57:27,281 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1190 transitions. Word has length 197 [2023-03-31 00:57:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:27,282 INFO L495 AbstractCegarLoop]: Abstraction has 808 states and 1190 transitions. [2023-03-31 00:57:27,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-03-31 00:57:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1190 transitions. [2023-03-31 00:57:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-03-31 00:57:27,284 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:27,284 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:27,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 00:57:27,285 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:27,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:27,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2141473298, now seen corresponding path program 3 times [2023-03-31 00:57:27,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:27,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722215089] [2023-03-31 00:57:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:57:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 00:57:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 00:57:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 00:57:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:57:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:57:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:57:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:57:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 00:57:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 00:57:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-03-31 00:57:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-03-31 00:57:27,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:27,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722215089] [2023-03-31 00:57:27,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722215089] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:27,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:27,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:57:27,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292963618] [2023-03-31 00:57:27,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:27,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:57:27,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:27,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:57:27,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:57:27,930 INFO L87 Difference]: Start difference. First operand 808 states and 1190 transitions. Second operand has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 7 states have call successors, (44), 12 states have call predecessors, (44), 5 states have return successors, (33), 4 states have call predecessors, (33), 7 states have call successors, (33)