/usr/lib/jvm/java-1.11.0-openjdk-amd64/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 05:42:08,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 05:42:08,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 05:42:08,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 05:42:08,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 05:42:08,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 05:42:08,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 05:42:08,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 05:42:08,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 05:42:08,689 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 05:42:08,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 05:42:08,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 05:42:08,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 05:42:08,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 05:42:08,690 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 05:42:08,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 05:42:08,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 05:42:08,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 05:42:08,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 05:42:08,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 05:42:08,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 05:42:08,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 05:42:08,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 05:42:08,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 05:42:08,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 05:42:08,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 05:42:08,701 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 05:42:08,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 05:42:08,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 05:42:08,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 05:42:08,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 05:42:08,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 05:42:08,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 05:42:08,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 05:42:08,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:42:08,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 05:42:08,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 05:42:08,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 05:42:08,704 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 05:42:08,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 05:42:08,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 05:42:08,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 05:42:08,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 05:42:08,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 05:42:08,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 05:42:08,705 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 05:42:08,705 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 05:42:08,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 05:42:08,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 05:42:08,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 05:42:08,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 05:42:08,975 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 05:42:08,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c [2023-12-25 05:42:10,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 05:42:10,491 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 05:42:10,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c [2023-12-25 05:42:10,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057174104/68b27ce423fe48228beb45d14af97a0f/FLAG7ed8eefb8 [2023-12-25 05:42:10,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/057174104/68b27ce423fe48228beb45d14af97a0f [2023-12-25 05:42:10,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 05:42:10,524 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 05:42:10,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 05:42:10,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 05:42:10,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 05:42:10,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:42:10" (1/1) ... [2023-12-25 05:42:10,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1fd148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:10, skipping insertion in model container [2023-12-25 05:42:10,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:42:10" (1/1) ... [2023-12-25 05:42:10,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:42:11,087 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c[21785,21798] [2023-12-25 05:42:11,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:42:11,326 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 05:42:11,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:42:11,402 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c[21785,21798] [2023-12-25 05:42:11,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:42:11,455 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 05:42:11,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-25 05:42:11,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [392] [2023-12-25 05:42:11,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [504] [2023-12-25 05:42:11,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [855] [2023-12-25 05:42:11,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [890] [2023-12-25 05:42:11,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1112] [2023-12-25 05:42:11,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1121] [2023-12-25 05:42:11,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2181] [2023-12-25 05:42:11,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2198] [2023-12-25 05:42:11,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2226] [2023-12-25 05:42:11,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2629] [2023-12-25 05:42:11,507 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c[21785,21798] [2023-12-25 05:42:11,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:42:11,592 INFO L206 MainTranslator]: Completed translation [2023-12-25 05:42:11,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11 WrapperNode [2023-12-25 05:42:11,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 05:42:11,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 05:42:11,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 05:42:11,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 05:42:11,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,705 INFO L138 Inliner]: procedures = 133, calls = 205, calls flagged for inlining = 60, calls inlined = 57, statements flattened = 1030 [2023-12-25 05:42:11,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 05:42:11,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 05:42:11,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 05:42:11,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 05:42:11,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,771 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2023-12-25 05:42:11,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 05:42:11,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 05:42:11,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 05:42:11,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 05:42:11,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (1/1) ... [2023-12-25 05:42:11,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:42:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 05:42:11,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 05:42:11,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 05:42:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-25 05:42:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-25 05:42:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-25 05:42:11,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-25 05:42:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-25 05:42:11,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-25 05:42:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-25 05:42:11,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-25 05:42:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-25 05:42:11,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-25 05:42:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-25 05:42:11,958 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-25 05:42:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-25 05:42:11,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-25 05:42:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-25 05:42:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-25 05:42:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-25 05:42:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-25 05:42:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-25 05:42:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-25 05:42:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-25 05:42:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-25 05:42:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-25 05:42:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-25 05:42:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-25 05:42:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-25 05:42:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 05:42:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-25 05:42:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-25 05:42:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-25 05:42:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-25 05:42:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-25 05:42:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-25 05:42:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-25 05:42:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-25 05:42:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-25 05:42:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-25 05:42:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-25 05:42:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-25 05:42:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-25 05:42:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-25 05:42:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-25 05:42:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-25 05:42:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-25 05:42:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-25 05:42:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 05:42:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 05:42:12,213 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 05:42:12,216 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 05:42:13,172 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 05:42:13,267 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 05:42:13,267 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 05:42:13,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:42:13 BoogieIcfgContainer [2023-12-25 05:42:13,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 05:42:13,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 05:42:13,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 05:42:13,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 05:42:13,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 05:42:10" (1/3) ... [2023-12-25 05:42:13,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d7f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:42:13, skipping insertion in model container [2023-12-25 05:42:13,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:42:11" (2/3) ... [2023-12-25 05:42:13,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d7f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:42:13, skipping insertion in model container [2023-12-25 05:42:13,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:42:13" (3/3) ... [2023-12-25 05:42:13,276 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product26.cil.c [2023-12-25 05:42:13,292 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 05:42:13,292 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 05:42:13,355 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 05:42:13,361 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=LoopHeads, 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;@7e3e6404, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 05:42:13,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 05:42:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 371 states, 284 states have (on average 1.619718309859155) internal successors, (460), 289 states have internal predecessors, (460), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-25 05:42:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-25 05:42:13,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:13,399 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:42:13,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:13,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:13,406 INFO L85 PathProgramCache]: Analyzing trace with hash -2006621366, now seen corresponding path program 1 times [2023-12-25 05:42:13,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:13,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244830234] [2023-12-25 05:42:13,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:13,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:13,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:13,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:13,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 05:42:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:13,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 05:42:13,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-25 05:42:13,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:13,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244830234] [2023-12-25 05:42:13,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244830234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:13,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:13,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 05:42:13,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263923555] [2023-12-25 05:42:13,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:13,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 05:42:13,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 05:42:13,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 05:42:13,872 INFO L87 Difference]: Start difference. First operand has 371 states, 284 states have (on average 1.619718309859155) internal successors, (460), 289 states have internal predecessors, (460), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:13,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:13,979 INFO L93 Difference]: Finished difference Result 554 states and 860 transitions. [2023-12-25 05:42:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 05:42:13,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2023-12-25 05:42:13,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:13,994 INFO L225 Difference]: With dead ends: 554 [2023-12-25 05:42:13,994 INFO L226 Difference]: Without dead ends: 368 [2023-12-25 05:42:14,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 05:42:14,002 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:14,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 563 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:14,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-12-25 05:42:14,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2023-12-25 05:42:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 282 states have (on average 1.6063829787234043) internal successors, (453), 286 states have internal predecessors, (453), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 05:42:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 576 transitions. [2023-12-25 05:42:14,066 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 576 transitions. Word has length 92 [2023-12-25 05:42:14,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:14,068 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 576 transitions. [2023-12-25 05:42:14,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 576 transitions. [2023-12-25 05:42:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-25 05:42:14,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:14,072 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:42:14,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:14,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:14,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:14,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:14,280 INFO L85 PathProgramCache]: Analyzing trace with hash 82102598, now seen corresponding path program 1 times [2023-12-25 05:42:14,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:14,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826774803] [2023-12-25 05:42:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:14,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:14,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:14,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:14,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 05:42:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:14,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:42:14,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-25 05:42:14,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:14,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:14,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826774803] [2023-12-25 05:42:14,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826774803] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:14,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:14,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:14,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186982486] [2023-12-25 05:42:14,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:14,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:14,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:14,686 INFO L87 Difference]: Start difference. First operand 368 states and 576 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:14,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:14,869 INFO L93 Difference]: Finished difference Result 731 states and 1146 transitions. [2023-12-25 05:42:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:14,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2023-12-25 05:42:14,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:14,874 INFO L225 Difference]: With dead ends: 731 [2023-12-25 05:42:14,874 INFO L226 Difference]: Without dead ends: 370 [2023-12-25 05:42:14,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:14,882 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 8 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:14,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-12-25 05:42:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2023-12-25 05:42:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 283 states have (on average 1.6042402826855124) internal successors, (454), 288 states have internal predecessors, (454), 62 states have call successors, (62), 23 states have call predecessors, (62), 24 states have return successors, (63), 60 states have call predecessors, (63), 61 states have call successors, (63) [2023-12-25 05:42:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 579 transitions. [2023-12-25 05:42:14,930 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 579 transitions. Word has length 93 [2023-12-25 05:42:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:14,931 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 579 transitions. [2023-12-25 05:42:14,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 579 transitions. [2023-12-25 05:42:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-25 05:42:14,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:14,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:42:14,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-25 05:42:15,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:15,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:15,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:15,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1998313536, now seen corresponding path program 1 times [2023-12-25 05:42:15,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:15,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225235613] [2023-12-25 05:42:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:15,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:15,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:15,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 05:42:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:15,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:42:15,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-25 05:42:15,506 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:15,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:15,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225235613] [2023-12-25 05:42:15,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225235613] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:15,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:15,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:15,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90853346] [2023-12-25 05:42:15,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:15,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:15,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:15,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:15,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:15,510 INFO L87 Difference]: Start difference. First operand 370 states and 579 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:15,677 INFO L93 Difference]: Finished difference Result 733 states and 1150 transitions. [2023-12-25 05:42:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:15,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 94 [2023-12-25 05:42:15,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:15,687 INFO L225 Difference]: With dead ends: 733 [2023-12-25 05:42:15,687 INFO L226 Difference]: Without dead ends: 372 [2023-12-25 05:42:15,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:15,691 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 8 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:15,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2179 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:15,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-25 05:42:15,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2023-12-25 05:42:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 284 states have (on average 1.602112676056338) internal successors, (455), 290 states have internal predecessors, (455), 62 states have call successors, (62), 23 states have call predecessors, (62), 25 states have return successors, (67), 60 states have call predecessors, (67), 61 states have call successors, (67) [2023-12-25 05:42:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 584 transitions. [2023-12-25 05:42:15,711 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 584 transitions. Word has length 94 [2023-12-25 05:42:15,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:15,711 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 584 transitions. [2023-12-25 05:42:15,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 584 transitions. [2023-12-25 05:42:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 05:42:15,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:15,745 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:15,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:15,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:15,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:15,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1228496744, now seen corresponding path program 1 times [2023-12-25 05:42:15,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:15,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260337721] [2023-12-25 05:42:15,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:15,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:15,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:15,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:15,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 05:42:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:16,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:42:16,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-25 05:42:16,245 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:16,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:16,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260337721] [2023-12-25 05:42:16,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260337721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:16,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:16,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:16,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130528534] [2023-12-25 05:42:16,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:16,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:16,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:16,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:16,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:16,247 INFO L87 Difference]: Start difference. First operand 372 states and 584 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:16,381 INFO L93 Difference]: Finished difference Result 725 states and 1140 transitions. [2023-12-25 05:42:16,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:16,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 95 [2023-12-25 05:42:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:16,387 INFO L225 Difference]: With dead ends: 725 [2023-12-25 05:42:16,388 INFO L226 Difference]: Without dead ends: 372 [2023-12-25 05:42:16,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:16,403 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 8 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:16,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-25 05:42:16,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2023-12-25 05:42:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 284 states have (on average 1.602112676056338) internal successors, (455), 290 states have internal predecessors, (455), 62 states have call successors, (62), 23 states have call predecessors, (62), 25 states have return successors, (66), 60 states have call predecessors, (66), 61 states have call successors, (66) [2023-12-25 05:42:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 583 transitions. [2023-12-25 05:42:16,431 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 583 transitions. Word has length 95 [2023-12-25 05:42:16,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:16,431 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 583 transitions. [2023-12-25 05:42:16,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 583 transitions. [2023-12-25 05:42:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 05:42:16,435 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:16,435 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:16,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:16,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:16,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:16,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:16,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1302914816, now seen corresponding path program 2 times [2023-12-25 05:42:16,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:16,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116720662] [2023-12-25 05:42:16,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 05:42:16,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:16,648 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:16,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 05:42:16,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-25 05:42:16,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 05:42:16,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:16,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-25 05:42:16,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:16,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:16,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116720662] [2023-12-25 05:42:16,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116720662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:16,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:16,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:16,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015395786] [2023-12-25 05:42:16,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:16,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:16,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:16,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:16,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:16,875 INFO L87 Difference]: Start difference. First operand 372 states and 583 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:16,932 INFO L93 Difference]: Finished difference Result 554 states and 851 transitions. [2023-12-25 05:42:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:16,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2023-12-25 05:42:16,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:16,937 INFO L225 Difference]: With dead ends: 554 [2023-12-25 05:42:16,937 INFO L226 Difference]: Without dead ends: 374 [2023-12-25 05:42:16,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:16,940 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 0 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:16,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1119 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-12-25 05:42:16,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2023-12-25 05:42:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 286 states have (on average 1.597902097902098) internal successors, (457), 292 states have internal predecessors, (457), 62 states have call successors, (62), 23 states have call predecessors, (62), 25 states have return successors, (66), 60 states have call predecessors, (66), 61 states have call successors, (66) [2023-12-25 05:42:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 585 transitions. [2023-12-25 05:42:16,965 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 585 transitions. Word has length 96 [2023-12-25 05:42:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:16,967 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 585 transitions. [2023-12-25 05:42:16,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 585 transitions. [2023-12-25 05:42:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-25 05:42:16,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:16,971 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:16,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:17,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:17,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:17,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash -743059927, now seen corresponding path program 1 times [2023-12-25 05:42:17,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:17,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446021448] [2023-12-25 05:42:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:17,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:17,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 05:42:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:17,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:42:17,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-25 05:42:17,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:17,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:17,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446021448] [2023-12-25 05:42:17,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446021448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:17,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:17,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:17,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221008613] [2023-12-25 05:42:17,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:17,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:17,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:17,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:17,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:17,474 INFO L87 Difference]: Start difference. First operand 374 states and 585 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:17,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:17,603 INFO L93 Difference]: Finished difference Result 731 states and 1147 transitions. [2023-12-25 05:42:17,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:17,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2023-12-25 05:42:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:17,607 INFO L225 Difference]: With dead ends: 731 [2023-12-25 05:42:17,607 INFO L226 Difference]: Without dead ends: 376 [2023-12-25 05:42:17,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:17,609 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 6 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:17,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2195 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:17,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-25 05:42:17,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2023-12-25 05:42:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 287 states have (on average 1.5958188153310104) internal successors, (458), 294 states have internal predecessors, (458), 62 states have call successors, (62), 23 states have call predecessors, (62), 26 states have return successors, (68), 60 states have call predecessors, (68), 61 states have call successors, (68) [2023-12-25 05:42:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 588 transitions. [2023-12-25 05:42:17,624 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 588 transitions. Word has length 103 [2023-12-25 05:42:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:17,624 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 588 transitions. [2023-12-25 05:42:17,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 588 transitions. [2023-12-25 05:42:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-25 05:42:17,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:17,626 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:17,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:17,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:17,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:17,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:17,835 INFO L85 PathProgramCache]: Analyzing trace with hash -591961638, now seen corresponding path program 1 times [2023-12-25 05:42:17,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:17,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625967989] [2023-12-25 05:42:17,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:17,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:17,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:17,837 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:17,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 05:42:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:18,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:42:18,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-25 05:42:18,114 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:18,114 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:18,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625967989] [2023-12-25 05:42:18,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625967989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:18,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:18,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606225056] [2023-12-25 05:42:18,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:18,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:18,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:18,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:18,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:18,116 INFO L87 Difference]: Start difference. First operand 376 states and 588 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:18,234 INFO L93 Difference]: Finished difference Result 733 states and 1150 transitions. [2023-12-25 05:42:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2023-12-25 05:42:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:18,237 INFO L225 Difference]: With dead ends: 733 [2023-12-25 05:42:18,237 INFO L226 Difference]: Without dead ends: 378 [2023-12-25 05:42:18,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:18,239 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 6 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:18,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:18,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-25 05:42:18,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 376. [2023-12-25 05:42:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 287 states have (on average 1.5958188153310104) internal successors, (458), 294 states have internal predecessors, (458), 62 states have call successors, (62), 23 states have call predecessors, (62), 26 states have return successors, (68), 60 states have call predecessors, (68), 61 states have call successors, (68) [2023-12-25 05:42:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 588 transitions. [2023-12-25 05:42:18,253 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 588 transitions. Word has length 104 [2023-12-25 05:42:18,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:18,254 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 588 transitions. [2023-12-25 05:42:18,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 588 transitions. [2023-12-25 05:42:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-25 05:42:18,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:18,256 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:18,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:18,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:18,464 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:18,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:18,466 INFO L85 PathProgramCache]: Analyzing trace with hash -668862436, now seen corresponding path program 1 times [2023-12-25 05:42:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419748109] [2023-12-25 05:42:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:18,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:18,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:18,469 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:18,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 05:42:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:18,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:42:18,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-25 05:42:18,794 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:18,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:18,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419748109] [2023-12-25 05:42:18,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419748109] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:18,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:18,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:18,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277934372] [2023-12-25 05:42:18,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:18,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:18,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:18,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:18,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:18,797 INFO L87 Difference]: Start difference. First operand 376 states and 588 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:18,946 INFO L93 Difference]: Finished difference Result 729 states and 1142 transitions. [2023-12-25 05:42:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:18,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2023-12-25 05:42:18,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:18,950 INFO L225 Difference]: With dead ends: 729 [2023-12-25 05:42:18,950 INFO L226 Difference]: Without dead ends: 376 [2023-12-25 05:42:18,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:18,952 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 8 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2180 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:18,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2180 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:18,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-25 05:42:18,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2023-12-25 05:42:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 287 states have (on average 1.5958188153310104) internal successors, (458), 294 states have internal predecessors, (458), 62 states have call successors, (62), 23 states have call predecessors, (62), 26 states have return successors, (67), 60 states have call predecessors, (67), 61 states have call successors, (67) [2023-12-25 05:42:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 587 transitions. [2023-12-25 05:42:18,966 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 587 transitions. Word has length 104 [2023-12-25 05:42:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:18,967 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 587 transitions. [2023-12-25 05:42:18,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 587 transitions. [2023-12-25 05:42:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-25 05:42:18,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:18,969 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:18,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:19,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:19,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:19,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:19,177 INFO L85 PathProgramCache]: Analyzing trace with hash 581240272, now seen corresponding path program 2 times [2023-12-25 05:42:19,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:19,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517178083] [2023-12-25 05:42:19,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 05:42:19,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:19,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:19,179 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:19,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 05:42:19,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-25 05:42:19,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 05:42:19,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:42:19,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-25 05:42:19,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:19,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:19,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517178083] [2023-12-25 05:42:19,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517178083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:19,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:19,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:42:19,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557157669] [2023-12-25 05:42:19,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:19,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:42:19,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:19,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:42:19,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:19,468 INFO L87 Difference]: Start difference. First operand 376 states and 587 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:19,604 INFO L93 Difference]: Finished difference Result 731 states and 1147 transitions. [2023-12-25 05:42:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:42:19,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2023-12-25 05:42:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:19,607 INFO L225 Difference]: With dead ends: 731 [2023-12-25 05:42:19,607 INFO L226 Difference]: Without dead ends: 378 [2023-12-25 05:42:19,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:19,609 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 6 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:19,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2182 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:19,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-25 05:42:19,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2023-12-25 05:42:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 288 states have (on average 1.59375) internal successors, (459), 296 states have internal predecessors, (459), 62 states have call successors, (62), 23 states have call predecessors, (62), 27 states have return successors, (71), 60 states have call predecessors, (71), 61 states have call successors, (71) [2023-12-25 05:42:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2023-12-25 05:42:19,623 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 105 [2023-12-25 05:42:19,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:19,623 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2023-12-25 05:42:19,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2023-12-25 05:42:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-25 05:42:19,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:19,625 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:19,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:19,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:19,836 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:19,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:19,837 INFO L85 PathProgramCache]: Analyzing trace with hash 997283639, now seen corresponding path program 1 times [2023-12-25 05:42:19,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:19,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358168893] [2023-12-25 05:42:19,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:19,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:19,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:19,839 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:19,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 05:42:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:20,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:20,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:20,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:20,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:20,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358168893] [2023-12-25 05:42:20,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358168893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:20,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:20,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:20,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657995303] [2023-12-25 05:42:20,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:20,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:20,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:20,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:20,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:20,131 INFO L87 Difference]: Start difference. First operand 378 states and 592 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:20,191 INFO L93 Difference]: Finished difference Result 804 states and 1277 transitions. [2023-12-25 05:42:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:20,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2023-12-25 05:42:20,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:20,194 INFO L225 Difference]: With dead ends: 804 [2023-12-25 05:42:20,195 INFO L226 Difference]: Without dead ends: 452 [2023-12-25 05:42:20,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:20,197 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 136 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:20,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1088 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2023-12-25 05:42:20,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 447. [2023-12-25 05:42:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 343 states have (on average 1.6122448979591837) internal successors, (553), 351 states have internal predecessors, (553), 76 states have call successors, (76), 23 states have call predecessors, (76), 27 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2023-12-25 05:42:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 716 transitions. [2023-12-25 05:42:20,215 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 716 transitions. Word has length 106 [2023-12-25 05:42:20,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:20,216 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 716 transitions. [2023-12-25 05:42:20,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 716 transitions. [2023-12-25 05:42:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-25 05:42:20,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:20,218 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:20,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:20,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:20,426 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:20,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:20,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1140959391, now seen corresponding path program 1 times [2023-12-25 05:42:20,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:20,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418064908] [2023-12-25 05:42:20,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:20,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:20,429 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:20,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 05:42:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:20,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 05:42:20,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-25 05:42:20,762 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:20,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:20,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418064908] [2023-12-25 05:42:20,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418064908] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:20,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:20,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 05:42:20,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851721945] [2023-12-25 05:42:20,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:20,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 05:42:20,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:20,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 05:42:20,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 05:42:20,765 INFO L87 Difference]: Start difference. First operand 447 states and 716 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:20,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:20,886 INFO L93 Difference]: Finished difference Result 886 states and 1410 transitions. [2023-12-25 05:42:20,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 05:42:20,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-12-25 05:42:20,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:20,891 INFO L225 Difference]: With dead ends: 886 [2023-12-25 05:42:20,891 INFO L226 Difference]: Without dead ends: 463 [2023-12-25 05:42:20,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:42:20,893 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 537 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:20,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1135 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-12-25 05:42:20,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 455. [2023-12-25 05:42:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 350 states have (on average 1.5971428571428572) internal successors, (559), 357 states have internal predecessors, (559), 76 states have call successors, (76), 25 states have call predecessors, (76), 28 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2023-12-25 05:42:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 718 transitions. [2023-12-25 05:42:20,914 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 718 transitions. Word has length 107 [2023-12-25 05:42:20,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:20,915 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 718 transitions. [2023-12-25 05:42:20,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-25 05:42:20,915 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 718 transitions. [2023-12-25 05:42:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 05:42:20,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:20,918 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-25 05:42:20,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:21,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:21,125 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:21,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1974308448, now seen corresponding path program 1 times [2023-12-25 05:42:21,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:21,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246090826] [2023-12-25 05:42:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:21,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:21,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:21,128 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:21,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 05:42:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:21,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 05:42:21,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:21,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 05:42:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:21,492 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:21,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246090826] [2023-12-25 05:42:21,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246090826] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 05:42:21,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 05:42:21,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-25 05:42:21,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818493320] [2023-12-25 05:42:21,492 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 05:42:21,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 05:42:21,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:21,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 05:42:21,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:42:21,494 INFO L87 Difference]: Start difference. First operand 455 states and 718 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 05:42:21,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:21,794 INFO L93 Difference]: Finished difference Result 1070 states and 1750 transitions. [2023-12-25 05:42:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 05:42:21,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 108 [2023-12-25 05:42:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:21,799 INFO L225 Difference]: With dead ends: 1070 [2023-12-25 05:42:21,799 INFO L226 Difference]: Without dead ends: 890 [2023-12-25 05:42:21,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-12-25 05:42:21,801 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 714 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:21,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 2043 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 05:42:21,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-12-25 05:42:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 875. [2023-12-25 05:42:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 691 states have (on average 1.6410998552821998) internal successors, (1134), 698 states have internal predecessors, (1134), 155 states have call successors, (155), 25 states have call predecessors, (155), 28 states have return successors, (172), 153 states have call predecessors, (172), 154 states have call successors, (172) [2023-12-25 05:42:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1461 transitions. [2023-12-25 05:42:21,846 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1461 transitions. Word has length 108 [2023-12-25 05:42:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:21,846 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1461 transitions. [2023-12-25 05:42:21,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 05:42:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1461 transitions. [2023-12-25 05:42:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 05:42:21,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:21,851 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:21,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:22,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:22,057 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:22,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:22,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1776442800, now seen corresponding path program 1 times [2023-12-25 05:42:22,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:22,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415699313] [2023-12-25 05:42:22,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:22,060 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:22,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 05:42:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:22,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:22,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:22,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:22,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:22,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415699313] [2023-12-25 05:42:22,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415699313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:22,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:22,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209076201] [2023-12-25 05:42:22,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:22,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:22,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:22,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:22,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:22,357 INFO L87 Difference]: Start difference. First operand 875 states and 1461 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:22,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:22,450 INFO L93 Difference]: Finished difference Result 2081 states and 3535 transitions. [2023-12-25 05:42:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:22,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2023-12-25 05:42:22,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:22,459 INFO L225 Difference]: With dead ends: 2081 [2023-12-25 05:42:22,459 INFO L226 Difference]: Without dead ends: 1282 [2023-12-25 05:42:22,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:22,464 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 130 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:22,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1126 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2023-12-25 05:42:22,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1277. [2023-12-25 05:42:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1014 states have (on average 1.6577909270216962) internal successors, (1681), 1021 states have internal predecessors, (1681), 234 states have call successors, (234), 25 states have call predecessors, (234), 28 states have return successors, (261), 232 states have call predecessors, (261), 233 states have call successors, (261) [2023-12-25 05:42:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 2176 transitions. [2023-12-25 05:42:22,533 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 2176 transitions. Word has length 111 [2023-12-25 05:42:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:22,533 INFO L495 AbstractCegarLoop]: Abstraction has 1277 states and 2176 transitions. [2023-12-25 05:42:22,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 2176 transitions. [2023-12-25 05:42:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 05:42:22,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:22,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:22,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:22,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:22,757 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:22,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:22,757 INFO L85 PathProgramCache]: Analyzing trace with hash 101619883, now seen corresponding path program 1 times [2023-12-25 05:42:22,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:22,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942483786] [2023-12-25 05:42:22,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:22,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:22,760 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:22,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 05:42:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:23,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:23,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:23,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:23,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:23,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942483786] [2023-12-25 05:42:23,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942483786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:23,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:23,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:23,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377052128] [2023-12-25 05:42:23,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:23,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:23,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:23,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:23,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:23,046 INFO L87 Difference]: Start difference. First operand 1277 states and 2176 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:23,166 INFO L93 Difference]: Finished difference Result 3079 states and 5281 transitions. [2023-12-25 05:42:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-12-25 05:42:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:23,178 INFO L225 Difference]: With dead ends: 3079 [2023-12-25 05:42:23,178 INFO L226 Difference]: Without dead ends: 1928 [2023-12-25 05:42:23,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:23,184 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 128 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:23,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1107 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:23,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2023-12-25 05:42:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1923. [2023-12-25 05:42:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1541 states have (on average 1.662556781310837) internal successors, (2562), 1548 states have internal predecessors, (2562), 353 states have call successors, (353), 25 states have call predecessors, (353), 28 states have return successors, (380), 351 states have call predecessors, (380), 352 states have call successors, (380) [2023-12-25 05:42:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 3295 transitions. [2023-12-25 05:42:23,290 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 3295 transitions. Word has length 112 [2023-12-25 05:42:23,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:23,290 INFO L495 AbstractCegarLoop]: Abstraction has 1923 states and 3295 transitions. [2023-12-25 05:42:23,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3295 transitions. [2023-12-25 05:42:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 05:42:23,301 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:23,301 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:23,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:23,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:23,508 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:23,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:23,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1393174782, now seen corresponding path program 1 times [2023-12-25 05:42:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:23,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671707970] [2023-12-25 05:42:23,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:23,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:23,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:23,511 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:23,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 05:42:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:23,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:23,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:23,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:23,795 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:23,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671707970] [2023-12-25 05:42:23,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671707970] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:23,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:23,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:23,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169842625] [2023-12-25 05:42:23,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:23,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:23,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:23,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:23,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:23,797 INFO L87 Difference]: Start difference. First operand 1923 states and 3295 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:23,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:23,983 INFO L93 Difference]: Finished difference Result 4592 states and 7932 transitions. [2023-12-25 05:42:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:23,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-12-25 05:42:23,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:24,001 INFO L225 Difference]: With dead ends: 4592 [2023-12-25 05:42:24,001 INFO L226 Difference]: Without dead ends: 2921 [2023-12-25 05:42:24,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:24,011 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 126 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:24,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1102 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2023-12-25 05:42:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2916. [2023-12-25 05:42:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2372 states have (on average 1.6669477234401349) internal successors, (3954), 2379 states have internal predecessors, (3954), 515 states have call successors, (515), 25 states have call predecessors, (515), 28 states have return successors, (558), 513 states have call predecessors, (558), 514 states have call successors, (558) [2023-12-25 05:42:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 5027 transitions. [2023-12-25 05:42:24,189 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 5027 transitions. Word has length 113 [2023-12-25 05:42:24,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:24,190 INFO L495 AbstractCegarLoop]: Abstraction has 2916 states and 5027 transitions. [2023-12-25 05:42:24,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 5027 transitions. [2023-12-25 05:42:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 05:42:24,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:24,203 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:24,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:24,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:24,413 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:24,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:24,414 INFO L85 PathProgramCache]: Analyzing trace with hash -83919444, now seen corresponding path program 1 times [2023-12-25 05:42:24,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:24,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467222383] [2023-12-25 05:42:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:24,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:24,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:24,415 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:24,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 05:42:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:24,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:24,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:24,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:24,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:24,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467222383] [2023-12-25 05:42:24,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467222383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:24,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:24,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:24,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241432548] [2023-12-25 05:42:24,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:24,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:24,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:24,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:24,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:24,684 INFO L87 Difference]: Start difference. First operand 2916 states and 5027 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:24,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:24,927 INFO L93 Difference]: Finished difference Result 6986 states and 12134 transitions. [2023-12-25 05:42:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:24,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-12-25 05:42:24,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:24,951 INFO L225 Difference]: With dead ends: 6986 [2023-12-25 05:42:24,953 INFO L226 Difference]: Without dead ends: 4528 [2023-12-25 05:42:24,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:24,963 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 124 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:24,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1102 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:24,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4528 states. [2023-12-25 05:42:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4528 to 4523. [2023-12-25 05:42:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4523 states, 3734 states have (on average 1.6703267273701126) internal successors, (6237), 3741 states have internal predecessors, (6237), 760 states have call successors, (760), 25 states have call predecessors, (760), 28 states have return successors, (829), 758 states have call predecessors, (829), 759 states have call successors, (829) [2023-12-25 05:42:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 7826 transitions. [2023-12-25 05:42:25,216 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 7826 transitions. Word has length 114 [2023-12-25 05:42:25,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:25,216 INFO L495 AbstractCegarLoop]: Abstraction has 4523 states and 7826 transitions. [2023-12-25 05:42:25,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 7826 transitions. [2023-12-25 05:42:25,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 05:42:25,231 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:25,231 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:25,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:25,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:25,438 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:25,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1951062746, now seen corresponding path program 1 times [2023-12-25 05:42:25,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:25,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886521992] [2023-12-25 05:42:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:25,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:25,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:25,441 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:25,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 05:42:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:25,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:25,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:25,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:25,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:25,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886521992] [2023-12-25 05:42:25,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886521992] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:25,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:25,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:25,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744786868] [2023-12-25 05:42:25,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:25,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:25,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:25,725 INFO L87 Difference]: Start difference. First operand 4523 states and 7826 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:26,086 INFO L93 Difference]: Finished difference Result 11032 states and 19194 transitions. [2023-12-25 05:42:26,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:26,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2023-12-25 05:42:26,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:26,150 INFO L225 Difference]: With dead ends: 11032 [2023-12-25 05:42:26,151 INFO L226 Difference]: Without dead ends: 7266 [2023-12-25 05:42:26,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:26,170 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 122 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:26,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1115 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:26,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7266 states. [2023-12-25 05:42:26,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7266 to 7261. [2023-12-25 05:42:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7261 states, 5979 states have (on average 1.6636561297875898) internal successors, (9947), 5986 states have internal predecessors, (9947), 1253 states have call successors, (1253), 25 states have call predecessors, (1253), 28 states have return successors, (1366), 1251 states have call predecessors, (1366), 1252 states have call successors, (1366) [2023-12-25 05:42:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 12566 transitions. [2023-12-25 05:42:26,656 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 12566 transitions. Word has length 115 [2023-12-25 05:42:26,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:26,656 INFO L495 AbstractCegarLoop]: Abstraction has 7261 states and 12566 transitions. [2023-12-25 05:42:26,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 12566 transitions. [2023-12-25 05:42:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 05:42:26,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:26,679 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:26,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:26,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:26,886 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:26,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1322456016, now seen corresponding path program 1 times [2023-12-25 05:42:26,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:26,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269986850] [2023-12-25 05:42:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:26,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:26,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:26,888 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:26,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 05:42:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:27,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:27,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:27,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:27,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:27,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269986850] [2023-12-25 05:42:27,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269986850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:27,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:27,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:27,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083985688] [2023-12-25 05:42:27,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:27,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:27,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:27,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:27,158 INFO L87 Difference]: Start difference. First operand 7261 states and 12566 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:27,624 INFO L93 Difference]: Finished difference Result 18335 states and 31935 transitions. [2023-12-25 05:42:27,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:27,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2023-12-25 05:42:27,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:27,683 INFO L225 Difference]: With dead ends: 18335 [2023-12-25 05:42:27,684 INFO L226 Difference]: Without dead ends: 12212 [2023-12-25 05:42:27,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:27,714 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 120 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:27,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1110 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:27,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2023-12-25 05:42:28,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 12207. [2023-12-25 05:42:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12207 states, 10103 states have (on average 1.663268336137781) internal successors, (16804), 10110 states have internal predecessors, (16804), 2075 states have call successors, (2075), 25 states have call predecessors, (2075), 28 states have return successors, (2266), 2073 states have call predecessors, (2266), 2074 states have call successors, (2266) [2023-12-25 05:42:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12207 states to 12207 states and 21145 transitions. [2023-12-25 05:42:28,405 INFO L78 Accepts]: Start accepts. Automaton has 12207 states and 21145 transitions. Word has length 116 [2023-12-25 05:42:28,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:28,405 INFO L495 AbstractCegarLoop]: Abstraction has 12207 states and 21145 transitions. [2023-12-25 05:42:28,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 12207 states and 21145 transitions. [2023-12-25 05:42:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 05:42:28,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:28,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:28,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:28,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:28,649 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:28,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:28,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1005423592, now seen corresponding path program 1 times [2023-12-25 05:42:28,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:28,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795550146] [2023-12-25 05:42:28,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:28,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:28,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:28,651 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:28,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 05:42:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:28,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:28,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:28,915 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:28,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:28,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795550146] [2023-12-25 05:42:28,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795550146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:28,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:28,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:28,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916698198] [2023-12-25 05:42:28,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:28,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:28,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:28,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:28,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:28,919 INFO L87 Difference]: Start difference. First operand 12207 states and 21145 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:29,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:29,753 INFO L93 Difference]: Finished difference Result 29196 states and 50522 transitions. [2023-12-25 05:42:29,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:29,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2023-12-25 05:42:29,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:29,838 INFO L225 Difference]: With dead ends: 29196 [2023-12-25 05:42:29,838 INFO L226 Difference]: Without dead ends: 19100 [2023-12-25 05:42:29,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:29,884 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 118 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:29,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1077 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19100 states. [2023-12-25 05:42:30,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19100 to 19095. [2023-12-25 05:42:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19095 states, 15788 states have (on average 1.639282999746643) internal successors, (25881), 15795 states have internal predecessors, (25881), 3278 states have call successors, (3278), 25 states have call predecessors, (3278), 28 states have return successors, (3613), 3276 states have call predecessors, (3613), 3277 states have call successors, (3613) [2023-12-25 05:42:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19095 states to 19095 states and 32772 transitions. [2023-12-25 05:42:31,002 INFO L78 Accepts]: Start accepts. Automaton has 19095 states and 32772 transitions. Word has length 117 [2023-12-25 05:42:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:31,003 INFO L495 AbstractCegarLoop]: Abstraction has 19095 states and 32772 transitions. [2023-12-25 05:42:31,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 19095 states and 32772 transitions. [2023-12-25 05:42:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-25 05:42:31,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:31,034 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:31,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:31,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:31,242 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:31,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:31,242 INFO L85 PathProgramCache]: Analyzing trace with hash 330394097, now seen corresponding path program 1 times [2023-12-25 05:42:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:31,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859753359] [2023-12-25 05:42:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:31,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:31,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:31,244 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:31,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 05:42:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:31,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:31,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:31,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:31,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859753359] [2023-12-25 05:42:31,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859753359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:31,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:31,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:31,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597435853] [2023-12-25 05:42:31,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:31,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:31,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:31,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:31,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:31,541 INFO L87 Difference]: Start difference. First operand 19095 states and 32772 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:33,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:33,060 INFO L93 Difference]: Finished difference Result 50435 states and 86909 transitions. [2023-12-25 05:42:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:33,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2023-12-25 05:42:33,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:33,215 INFO L225 Difference]: With dead ends: 50435 [2023-12-25 05:42:33,216 INFO L226 Difference]: Without dead ends: 34092 [2023-12-25 05:42:33,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:33,260 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 116 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:33,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34092 states. [2023-12-25 05:42:35,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34092 to 34087. [2023-12-25 05:42:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34087 states, 28330 states have (on average 1.6362513236851395) internal successors, (46355), 28337 states have internal predecessors, (46355), 5728 states have call successors, (5728), 25 states have call predecessors, (5728), 28 states have return successors, (6337), 5726 states have call predecessors, (6337), 5727 states have call successors, (6337) [2023-12-25 05:42:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34087 states to 34087 states and 58420 transitions. [2023-12-25 05:42:35,280 INFO L78 Accepts]: Start accepts. Automaton has 34087 states and 58420 transitions. Word has length 118 [2023-12-25 05:42:35,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:35,280 INFO L495 AbstractCegarLoop]: Abstraction has 34087 states and 58420 transitions. [2023-12-25 05:42:35,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34087 states and 58420 transitions. [2023-12-25 05:42:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-25 05:42:35,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:35,308 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:35,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:35,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:35,517 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:35,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1105841442, now seen corresponding path program 1 times [2023-12-25 05:42:35,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480160750] [2023-12-25 05:42:35,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:35,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:35,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:35,519 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:35,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 05:42:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:35,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:35,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:35,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:35,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480160750] [2023-12-25 05:42:35,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480160750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:35,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:35,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:35,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608993473] [2023-12-25 05:42:35,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:35,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:35,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:35,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:35,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:35,780 INFO L87 Difference]: Start difference. First operand 34087 states and 58420 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:38,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:38,048 INFO L93 Difference]: Finished difference Result 92922 states and 159786 transitions. [2023-12-25 05:42:38,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:38,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2023-12-25 05:42:38,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:38,382 INFO L225 Difference]: With dead ends: 92922 [2023-12-25 05:42:38,383 INFO L226 Difference]: Without dead ends: 62502 [2023-12-25 05:42:38,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:38,486 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 114 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:38,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:42:38,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62502 states. [2023-12-25 05:42:41,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62502 to 62497. [2023-12-25 05:42:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62497 states, 52227 states have (on average 1.6322783234725333) internal successors, (85249), 52234 states have internal predecessors, (85249), 10241 states have call successors, (10241), 25 states have call predecessors, (10241), 28 states have return successors, (11382), 10239 states have call predecessors, (11382), 10240 states have call successors, (11382) [2023-12-25 05:42:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62497 states to 62497 states and 106872 transitions. [2023-12-25 05:42:42,231 INFO L78 Accepts]: Start accepts. Automaton has 62497 states and 106872 transitions. Word has length 119 [2023-12-25 05:42:42,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:42,231 INFO L495 AbstractCegarLoop]: Abstraction has 62497 states and 106872 transitions. [2023-12-25 05:42:42,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 62497 states and 106872 transitions. [2023-12-25 05:42:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-25 05:42:42,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:42,269 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:42,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:42,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:42,476 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:42,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:42,476 INFO L85 PathProgramCache]: Analyzing trace with hash -553292175, now seen corresponding path program 1 times [2023-12-25 05:42:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:42,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445754751] [2023-12-25 05:42:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:42,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:42,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:42,479 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:42,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-25 05:42:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:42,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:42:42,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-25 05:42:42,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:42,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:42,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445754751] [2023-12-25 05:42:42,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445754751] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:42,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:42,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:42:42,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748712644] [2023-12-25 05:42:42,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:42,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:42:42,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:42,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:42:42,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:42,748 INFO L87 Difference]: Start difference. First operand 62497 states and 106872 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:42:46,383 INFO L93 Difference]: Finished difference Result 117045 states and 200598 transitions. [2023-12-25 05:42:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:42:46,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2023-12-25 05:42:46,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:42:46,977 INFO L225 Difference]: With dead ends: 117045 [2023-12-25 05:42:46,978 INFO L226 Difference]: Without dead ends: 116865 [2023-12-25 05:42:47,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:42:47,057 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 112 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:42:47,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:42:47,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116865 states. [2023-12-25 05:42:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116865 to 116860. [2023-12-25 05:42:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116860 states, 98222 states have (on average 1.6272321883081184) internal successors, (159830), 98229 states have internal predecessors, (159830), 18609 states have call successors, (18609), 25 states have call predecessors, (18609), 28 states have return successors, (20796), 18607 states have call predecessors, (20796), 18608 states have call successors, (20796) [2023-12-25 05:42:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116860 states to 116860 states and 199235 transitions. [2023-12-25 05:42:52,839 INFO L78 Accepts]: Start accepts. Automaton has 116860 states and 199235 transitions. Word has length 120 [2023-12-25 05:42:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:42:52,839 INFO L495 AbstractCegarLoop]: Abstraction has 116860 states and 199235 transitions. [2023-12-25 05:42:52,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-25 05:42:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 116860 states and 199235 transitions. [2023-12-25 05:42:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-25 05:42:52,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:42:52,883 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:42:52,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-25 05:42:53,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:53,089 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:42:53,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:42:53,090 INFO L85 PathProgramCache]: Analyzing trace with hash -978362495, now seen corresponding path program 1 times [2023-12-25 05:42:53,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:42:53,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302591535] [2023-12-25 05:42:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:42:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:42:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:42:53,092 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:42:53,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-25 05:42:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:42:53,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 05:42:53,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:42:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-25 05:42:53,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:42:53,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:42:53,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302591535] [2023-12-25 05:42:53,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302591535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:42:53,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:42:53,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 05:42:53,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304493546] [2023-12-25 05:42:53,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:42:53,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 05:42:53,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:42:53,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 05:42:53,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-25 05:42:53,736 INFO L87 Difference]: Start difference. First operand 116860 states and 199235 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-25 05:43:02,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:43:02,277 INFO L93 Difference]: Finished difference Result 232779 states and 402385 transitions. [2023-12-25 05:43:02,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 05:43:02,278 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2023-12-25 05:43:02,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:43:03,353 INFO L225 Difference]: With dead ends: 232779 [2023-12-25 05:43:03,353 INFO L226 Difference]: Without dead ends: 232606 [2023-12-25 05:43:03,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-12-25 05:43:03,449 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 1299 mSDsluCounter, 4104 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4766 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 05:43:03,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4766 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 05:43:03,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232606 states. [2023-12-25 05:43:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232606 to 232590. [2023-12-25 05:43:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232590 states, 195551 states have (on average 1.6279333779934646) internal successors, (318344), 195456 states have internal predecessors, (318344), 36972 states have call successors, (36972), 60 states have call predecessors, (36972), 66 states have return successors, (44636), 37079 states have call predecessors, (44636), 36969 states have call successors, (44636) [2023-12-25 05:43:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232590 states to 232590 states and 399952 transitions. [2023-12-25 05:43:14,521 INFO L78 Accepts]: Start accepts. Automaton has 232590 states and 399952 transitions. Word has length 121 [2023-12-25 05:43:14,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:43:14,522 INFO L495 AbstractCegarLoop]: Abstraction has 232590 states and 399952 transitions. [2023-12-25 05:43:14,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-25 05:43:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 232590 states and 399952 transitions. [2023-12-25 05:43:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-25 05:43:14,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:43:14,608 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-12-25 05:43:14,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2023-12-25 05:43:14,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:43:14,815 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:43:14,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:43:14,816 INFO L85 PathProgramCache]: Analyzing trace with hash -819549318, now seen corresponding path program 1 times [2023-12-25 05:43:14,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:43:14,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160392713] [2023-12-25 05:43:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:43:14,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:43:14,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:43:14,817 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:43:14,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 05:43:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:43:15,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 05:43:15,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:43:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-25 05:43:15,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:43:15,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:43:15,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160392713] [2023-12-25 05:43:15,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160392713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:43:15,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:43:15,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 05:43:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149925324] [2023-12-25 05:43:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:43:15,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 05:43:15,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:43:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 05:43:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-25 05:43:15,416 INFO L87 Difference]: Start difference. First operand 232590 states and 399952 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-25 05:43:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:43:31,236 INFO L93 Difference]: Finished difference Result 461365 states and 804421 transitions. [2023-12-25 05:43:31,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 05:43:31,237 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 122 [2023-12-25 05:43:31,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:43:33,864 INFO L225 Difference]: With dead ends: 461365 [2023-12-25 05:43:33,864 INFO L226 Difference]: Without dead ends: 460843 [2023-12-25 05:43:34,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-12-25 05:43:34,100 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 910 mSDsluCounter, 4454 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:43:34,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 5030 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 05:43:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460843 states.