/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_spec8_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 05:56:02,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 05:56:02,617 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 05:56:02,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 05:56:02,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 05:56:02,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 05:56:02,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 05:56:02,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 05:56:02,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 05:56:02,654 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 05:56:02,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 05:56:02,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 05:56:02,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 05:56:02,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 05:56:02,656 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 05:56:02,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 05:56:02,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 05:56:02,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 05:56:02,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 05:56:02,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 05:56:02,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 05:56:02,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 05:56:02,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 05:56:02,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 05:56:02,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 05:56:02,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 05:56:02,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 05:56:02,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 05:56:02,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 05:56:02,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 05:56:02,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 05:56:02,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 05:56:02,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 05:56:02,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 05:56:02,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:56:02,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 05:56:02,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 05:56:02,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 05:56:02,661 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 05:56:02,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 05:56:02,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 05:56:02,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 05:56:02,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 05:56:02,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 05:56:02,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 05:56:02,663 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 05:56:02,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 05:56:02,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 05:56:02,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 05:56:02,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 05:56:02,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 05:56:02,907 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 05:56:02,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product26.cil.c [2023-12-25 05:56:04,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 05:56:04,432 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 05:56:04,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product26.cil.c [2023-12-25 05:56:04,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620a83608/11bfe81d1b0646b3a74c9b39f3a95a99/FLAG0b32f27c0 [2023-12-25 05:56:04,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620a83608/11bfe81d1b0646b3a74c9b39f3a95a99 [2023-12-25 05:56:04,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 05:56:04,467 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 05:56:04,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 05:56:04,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 05:56:04,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 05:56:04,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:56:04" (1/1) ... [2023-12-25 05:56:04,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cca180d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:04, skipping insertion in model container [2023-12-25 05:56:04,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:56:04" (1/1) ... [2023-12-25 05:56:04,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:56:04,906 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_spec8_product26.cil.c[14808,14821] [2023-12-25 05:56:05,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:56:05,111 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 05:56:05,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:56:05,155 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_spec8_product26.cil.c[14808,14821] [2023-12-25 05:56:05,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:56:05,221 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 05:56:05,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-25 05:56:05,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [392] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [436] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [794] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [803] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1169] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1391] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1426] [2023-12-25 05:56:05,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1443] [2023-12-25 05:56:05,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1847] [2023-12-25 05:56:05,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1950] [2023-12-25 05:56:05,268 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_spec8_product26.cil.c[14808,14821] [2023-12-25 05:56:05,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:56:05,345 INFO L206 MainTranslator]: Completed translation [2023-12-25 05:56:05,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05 WrapperNode [2023-12-25 05:56:05,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 05:56:05,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 05:56:05,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 05:56:05,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 05:56:05,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,440 INFO L138 Inliner]: procedures = 134, calls = 208, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1041 [2023-12-25 05:56:05,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 05:56:05,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 05:56:05,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 05:56:05,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 05:56:05,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,492 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 05:56:05,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 05:56:05,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 05:56:05,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 05:56:05,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 05:56:05,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (1/1) ... [2023-12-25 05:56:05,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:56:05,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 05:56:05,588 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 05:56:05,598 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 05:56:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-25 05:56:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-25 05:56:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-25 05:56:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-25 05:56:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-25 05:56:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-25 05:56:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-25 05:56:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-25 05:56:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-25 05:56:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-25 05:56:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-25 05:56:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-25 05:56:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-25 05:56:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-25 05:56:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-25 05:56:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-25 05:56:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-25 05:56:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-25 05:56:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-25 05:56:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-25 05:56:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 05:56:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-25 05:56:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-25 05:56:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-25 05:56:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-25 05:56:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-25 05:56:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-25 05:56:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-25 05:56:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-25 05:56:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-25 05:56:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-25 05:56:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-25 05:56:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-25 05:56:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-25 05:56:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-25 05:56:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-25 05:56:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 05:56:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 05:56:05,779 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 05:56:05,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 05:56:06,618 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 05:56:06,668 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 05:56:06,668 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 05:56:06,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:56:06 BoogieIcfgContainer [2023-12-25 05:56:06,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 05:56:06,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 05:56:06,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 05:56:06,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 05:56:06,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 05:56:04" (1/3) ... [2023-12-25 05:56:06,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb75224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:56:06, skipping insertion in model container [2023-12-25 05:56:06,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:56:05" (2/3) ... [2023-12-25 05:56:06,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb75224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:56:06, skipping insertion in model container [2023-12-25 05:56:06,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:56:06" (3/3) ... [2023-12-25 05:56:06,675 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product26.cil.c [2023-12-25 05:56:06,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 05:56:06,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 05:56:06,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 05:56:06,734 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;@2dabfde7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 05:56:06,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 05:56:06,740 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 05:56:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-25 05:56:06,755 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:06,756 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 05:56:06,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:06,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:06,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1227555082, now seen corresponding path program 1 times [2023-12-25 05:56:06,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:06,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806549029] [2023-12-25 05:56:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:06,775 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 05:56:06,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:06,778 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 05:56:06,784 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 05:56:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:07,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 05:56:07,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:07,109 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 05:56:07,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:07,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:07,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806549029] [2023-12-25 05:56:07,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806549029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:07,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:07,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 05:56:07,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664956446] [2023-12-25 05:56:07,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:07,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 05:56:07,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:07,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 05:56:07,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 05:56:07,151 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 05:56:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:07,271 INFO L93 Difference]: Finished difference Result 554 states and 860 transitions. [2023-12-25 05:56:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 05:56:07,274 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 05:56:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:07,285 INFO L225 Difference]: With dead ends: 554 [2023-12-25 05:56:07,285 INFO L226 Difference]: Without dead ends: 368 [2023-12-25 05:56:07,292 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 05:56:07,295 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:07,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:07,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-12-25 05:56:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2023-12-25 05:56:07,349 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 05:56:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 576 transitions. [2023-12-25 05:56:07,354 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 576 transitions. Word has length 92 [2023-12-25 05:56:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:07,355 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 576 transitions. [2023-12-25 05:56:07,355 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 05:56:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 576 transitions. [2023-12-25 05:56:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-25 05:56:07,365 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:07,365 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 05:56:07,376 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 05:56:07,567 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 05:56:07,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:07,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:07,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1074689865, now seen corresponding path program 1 times [2023-12-25 05:56:07,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:07,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391217570] [2023-12-25 05:56:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:07,569 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 05:56:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:07,571 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 05:56:07,572 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 05:56:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:07,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:56:07,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:07,937 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 05:56:07,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:07,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:07,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391217570] [2023-12-25 05:56:07,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391217570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:07,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:07,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:56:07,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054609165] [2023-12-25 05:56:07,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:07,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:56:07,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:07,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:56:07,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:56:07,943 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 05:56:08,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:08,078 INFO L93 Difference]: Finished difference Result 731 states and 1146 transitions. [2023-12-25 05:56:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:56:08,078 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 05:56:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:08,082 INFO L225 Difference]: With dead ends: 731 [2023-12-25 05:56:08,082 INFO L226 Difference]: Without dead ends: 370 [2023-12-25 05:56:08,085 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 05:56:08,086 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 8 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2189 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 05:56:08,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2189 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-12-25 05:56:08,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2023-12-25 05:56:08,103 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 05:56:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 579 transitions. [2023-12-25 05:56:08,106 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 579 transitions. Word has length 93 [2023-12-25 05:56:08,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:08,106 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 579 transitions. [2023-12-25 05:56:08,107 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 05:56:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 579 transitions. [2023-12-25 05:56:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-25 05:56:08,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:08,110 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 05:56:08,119 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 (3)] Forceful destruction successful, exit code 0 [2023-12-25 05:56:08,317 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 05:56:08,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:08,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1877601816, now seen corresponding path program 1 times [2023-12-25 05:56:08,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:08,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854762508] [2023-12-25 05:56:08,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:08,319 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 05:56:08,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:08,320 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 05:56:08,322 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 05:56:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:08,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:56:08,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:08,618 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 05:56:08,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:08,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:08,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854762508] [2023-12-25 05:56:08,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854762508] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:08,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:08,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:56:08,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899114286] [2023-12-25 05:56:08,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:08,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:56:08,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:08,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:56:08,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:56:08,621 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 05:56:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:08,734 INFO L93 Difference]: Finished difference Result 733 states and 1150 transitions. [2023-12-25 05:56:08,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:56:08,734 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 05:56:08,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:08,737 INFO L225 Difference]: With dead ends: 733 [2023-12-25 05:56:08,737 INFO L226 Difference]: Without dead ends: 372 [2023-12-25 05:56:08,738 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 05:56:08,739 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 8 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:08,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2175 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-25 05:56:08,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2023-12-25 05:56:08,762 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 05:56:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 584 transitions. [2023-12-25 05:56:08,764 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 584 transitions. Word has length 94 [2023-12-25 05:56:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:08,765 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 584 transitions. [2023-12-25 05:56:08,767 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 05:56:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 584 transitions. [2023-12-25 05:56:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 05:56:08,769 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:08,769 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 05:56:08,776 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 05:56:08,976 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 05:56:08,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:08,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:08,977 INFO L85 PathProgramCache]: Analyzing trace with hash -473148664, now seen corresponding path program 1 times [2023-12-25 05:56:08,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:08,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578694528] [2023-12-25 05:56:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:08,978 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 05:56:08,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:08,979 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 05:56:08,982 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 05:56:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:09,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:56:09,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:09,243 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 05:56:09,243 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:09,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:09,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578694528] [2023-12-25 05:56:09,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578694528] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:09,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:09,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:56:09,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872311986] [2023-12-25 05:56:09,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:09,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:56:09,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:09,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:56:09,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:56:09,245 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 05:56:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:09,373 INFO L93 Difference]: Finished difference Result 725 states and 1140 transitions. [2023-12-25 05:56:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:56:09,374 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 05:56:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:09,377 INFO L225 Difference]: With dead ends: 725 [2023-12-25 05:56:09,378 INFO L226 Difference]: Without dead ends: 372 [2023-12-25 05:56:09,385 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 05:56:09,389 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 8 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2189 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 05:56:09,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2189 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-12-25 05:56:09,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2023-12-25 05:56:09,405 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 05:56:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 583 transitions. [2023-12-25 05:56:09,408 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 583 transitions. Word has length 95 [2023-12-25 05:56:09,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:09,409 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 583 transitions. [2023-12-25 05:56:09,409 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 05:56:09,409 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 583 transitions. [2023-12-25 05:56:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 05:56:09,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:09,412 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 05:56:09,420 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 05:56:09,620 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 05:56:09,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:09,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1906177611, now seen corresponding path program 2 times [2023-12-25 05:56:09,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:09,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308565483] [2023-12-25 05:56:09,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 05:56:09,623 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 05:56:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:09,633 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 05:56:09,635 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 05:56:09,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-25 05:56:09,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 05:56:09,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:09,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:09,850 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 05:56:09,851 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:09,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:09,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308565483] [2023-12-25 05:56:09,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308565483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:09,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:09,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:09,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534411444] [2023-12-25 05:56:09,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:09,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:09,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:09,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:09,852 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 05:56:09,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:09,901 INFO L93 Difference]: Finished difference Result 554 states and 851 transitions. [2023-12-25 05:56:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:09,901 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 05:56:09,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:09,905 INFO L225 Difference]: With dead ends: 554 [2023-12-25 05:56:09,905 INFO L226 Difference]: Without dead ends: 374 [2023-12-25 05:56:09,906 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 05:56:09,908 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:09,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1117 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:09,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-12-25 05:56:09,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2023-12-25 05:56:09,929 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 05:56:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 585 transitions. [2023-12-25 05:56:09,931 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 585 transitions. Word has length 96 [2023-12-25 05:56:09,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:09,932 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 585 transitions. [2023-12-25 05:56:09,932 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 05:56:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 585 transitions. [2023-12-25 05:56:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-25 05:56:09,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:09,935 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 05:56:09,941 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 (6)] Ended with exit code 0 [2023-12-25 05:56:10,139 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 05:56:10,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:10,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 248117867, now seen corresponding path program 1 times [2023-12-25 05:56:10,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:10,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357920679] [2023-12-25 05:56:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:10,141 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 05:56:10,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:10,142 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 05:56:10,146 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 05:56:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:10,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:56:10,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:10,393 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 05:56:10,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:10,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:10,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357920679] [2023-12-25 05:56:10,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357920679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:10,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:10,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:56:10,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725632856] [2023-12-25 05:56:10,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:10,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:56:10,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:10,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:56:10,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:56:10,396 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 05:56:10,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:10,495 INFO L93 Difference]: Finished difference Result 731 states and 1147 transitions. [2023-12-25 05:56:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:56:10,496 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 05:56:10,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:10,500 INFO L225 Difference]: With dead ends: 731 [2023-12-25 05:56:10,500 INFO L226 Difference]: Without dead ends: 376 [2023-12-25 05:56:10,503 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 05:56:10,504 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 6 mSDsluCounter, 1640 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:10,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2191 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:10,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-25 05:56:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2023-12-25 05:56:10,542 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 05:56:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 588 transitions. [2023-12-25 05:56:10,544 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 588 transitions. Word has length 103 [2023-12-25 05:56:10,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:10,544 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 588 transitions. [2023-12-25 05:56:10,544 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 05:56:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 588 transitions. [2023-12-25 05:56:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-25 05:56:10,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:10,546 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 05:56:10,558 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 05:56:10,746 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 05:56:10,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:10,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1191297933, now seen corresponding path program 1 times [2023-12-25 05:56:10,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:10,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021834080] [2023-12-25 05:56:10,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:10,748 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 05:56:10,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:10,749 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 05:56:10,751 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 05:56:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:10,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:56:10,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:11,031 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 05:56:11,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:11,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:11,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021834080] [2023-12-25 05:56:11,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021834080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:11,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:11,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:56:11,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529391107] [2023-12-25 05:56:11,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:11,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:56:11,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:11,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:56:11,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:56:11,034 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 05:56:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:11,196 INFO L93 Difference]: Finished difference Result 729 states and 1142 transitions. [2023-12-25 05:56:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:56:11,197 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 05:56:11,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:11,199 INFO L225 Difference]: With dead ends: 729 [2023-12-25 05:56:11,199 INFO L226 Difference]: Without dead ends: 376 [2023-12-25 05:56:11,202 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 05:56:11,203 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 8 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:11,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2176 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:11,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-12-25 05:56:11,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2023-12-25 05:56:11,217 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 05:56:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 587 transitions. [2023-12-25 05:56:11,219 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 587 transitions. Word has length 104 [2023-12-25 05:56:11,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:11,219 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 587 transitions. [2023-12-25 05:56:11,219 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 05:56:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 587 transitions. [2023-12-25 05:56:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-25 05:56:11,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:11,221 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 05:56:11,229 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 05:56:11,427 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 05:56:11,428 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:11,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:11,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1098006421, now seen corresponding path program 2 times [2023-12-25 05:56:11,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:11,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605670475] [2023-12-25 05:56:11,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 05:56:11,429 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 05:56:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:11,431 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 05:56:11,432 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 05:56:11,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-25 05:56:11,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 05:56:11,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:56:11,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:11,685 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 05:56:11,685 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:11,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:11,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605670475] [2023-12-25 05:56:11,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605670475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:11,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:11,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:56:11,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11465634] [2023-12-25 05:56:11,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:11,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:56:11,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:11,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:56:11,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:56:11,688 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 05:56:11,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:11,811 INFO L93 Difference]: Finished difference Result 731 states and 1147 transitions. [2023-12-25 05:56:11,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:56:11,811 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 05:56:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:11,813 INFO L225 Difference]: With dead ends: 731 [2023-12-25 05:56:11,813 INFO L226 Difference]: Without dead ends: 378 [2023-12-25 05:56:11,814 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 05:56:11,815 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 6 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:11,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2178 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:11,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-25 05:56:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2023-12-25 05:56:11,822 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 05:56:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2023-12-25 05:56:11,824 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 105 [2023-12-25 05:56:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:11,824 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2023-12-25 05:56:11,825 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 05:56:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2023-12-25 05:56:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-25 05:56:11,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:11,826 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 05:56:11,832 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 05:56:12,032 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 05:56:12,033 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:12,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:12,034 INFO L85 PathProgramCache]: Analyzing trace with hash -630437554, now seen corresponding path program 1 times [2023-12-25 05:56:12,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461025021] [2023-12-25 05:56:12,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:12,034 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 05:56:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:12,035 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 05:56:12,072 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 05:56:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:12,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:12,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:12,259 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 05:56:12,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:12,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:12,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461025021] [2023-12-25 05:56:12,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461025021] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:12,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:12,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848453189] [2023-12-25 05:56:12,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:12,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:12,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:12,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:12,262 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 05:56:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:12,311 INFO L93 Difference]: Finished difference Result 804 states and 1277 transitions. [2023-12-25 05:56:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:12,311 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 05:56:12,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:12,313 INFO L225 Difference]: With dead ends: 804 [2023-12-25 05:56:12,314 INFO L226 Difference]: Without dead ends: 452 [2023-12-25 05:56:12,315 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 05:56:12,316 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 136 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1087 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 05:56:12,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1087 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:12,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2023-12-25 05:56:12,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 447. [2023-12-25 05:56:12,329 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 05:56:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 716 transitions. [2023-12-25 05:56:12,332 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 716 transitions. Word has length 106 [2023-12-25 05:56:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:12,332 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 716 transitions. [2023-12-25 05:56:12,332 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 05:56:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 716 transitions. [2023-12-25 05:56:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-25 05:56:12,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:12,335 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 05:56:12,343 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 05:56:12,541 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 05:56:12,542 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:12,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:12,542 INFO L85 PathProgramCache]: Analyzing trace with hash 537578903, now seen corresponding path program 1 times [2023-12-25 05:56:12,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:12,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618989786] [2023-12-25 05:56:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:12,543 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 05:56:12,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:12,544 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 05:56:12,545 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 05:56:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:12,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 05:56:12,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:12,798 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 05:56:12,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:12,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:12,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618989786] [2023-12-25 05:56:12,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618989786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:12,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:12,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 05:56:12,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156596132] [2023-12-25 05:56:12,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:12,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 05:56:12,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:12,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 05:56:12,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 05:56:12,800 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 05:56:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:12,893 INFO L93 Difference]: Finished difference Result 886 states and 1410 transitions. [2023-12-25 05:56:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 05:56:12,894 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 05:56:12,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:12,896 INFO L225 Difference]: With dead ends: 886 [2023-12-25 05:56:12,896 INFO L226 Difference]: Without dead ends: 463 [2023-12-25 05:56:12,898 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 05:56:12,898 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 537 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:12,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1133 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-12-25 05:56:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 455. [2023-12-25 05:56:12,913 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 05:56:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 718 transitions. [2023-12-25 05:56:12,916 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 718 transitions. Word has length 107 [2023-12-25 05:56:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:12,916 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 718 transitions. [2023-12-25 05:56:12,916 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 05:56:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 718 transitions. [2023-12-25 05:56:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 05:56:12,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:12,918 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 05:56:12,927 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 05:56:13,124 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 05:56:13,125 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:13,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -887898153, now seen corresponding path program 1 times [2023-12-25 05:56:13,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:13,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914284725] [2023-12-25 05:56:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:13,126 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 05:56:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:13,127 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 05:56:13,162 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 (12)] Waiting until timeout for monitored process [2023-12-25 05:56:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:13,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 05:56:13,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:13,351 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 05:56:13,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 05:56:13,399 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 05:56:13,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:13,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914284725] [2023-12-25 05:56:13,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914284725] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 05:56:13,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 05:56:13,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-25 05:56:13,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475504557] [2023-12-25 05:56:13,399 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 05:56:13,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 05:56:13,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:13,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 05:56:13,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:56:13,401 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 05:56:13,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:13,695 INFO L93 Difference]: Finished difference Result 1070 states and 1750 transitions. [2023-12-25 05:56:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 05:56:13,696 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 05:56:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:13,700 INFO L225 Difference]: With dead ends: 1070 [2023-12-25 05:56:13,700 INFO L226 Difference]: Without dead ends: 890 [2023-12-25 05:56:13,701 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 05:56:13,701 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 501 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:13,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 2876 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 05:56:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-12-25 05:56:13,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 875. [2023-12-25 05:56:13,731 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 05:56:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1461 transitions. [2023-12-25 05:56:13,734 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1461 transitions. Word has length 108 [2023-12-25 05:56:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:13,734 INFO L495 AbstractCegarLoop]: Abstraction has 875 states and 1461 transitions. [2023-12-25 05:56:13,734 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 05:56:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1461 transitions. [2023-12-25 05:56:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 05:56:13,737 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:13,737 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 05:56:13,745 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 05:56:13,943 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 05:56:13,943 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:13,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:13,944 INFO L85 PathProgramCache]: Analyzing trace with hash -209281272, now seen corresponding path program 1 times [2023-12-25 05:56:13,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:13,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285941999] [2023-12-25 05:56:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:13,944 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 05:56:13,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:13,945 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 05:56:13,947 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 05:56:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:14,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:14,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:14,208 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 05:56:14,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:14,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:14,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285941999] [2023-12-25 05:56:14,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285941999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:14,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:14,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203369802] [2023-12-25 05:56:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:14,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:14,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:14,211 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 05:56:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:14,306 INFO L93 Difference]: Finished difference Result 2081 states and 3535 transitions. [2023-12-25 05:56:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:14,307 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 05:56:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:14,315 INFO L225 Difference]: With dead ends: 2081 [2023-12-25 05:56:14,315 INFO L226 Difference]: Without dead ends: 1282 [2023-12-25 05:56:14,319 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 05:56:14,320 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 130 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:14,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1124 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:14,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2023-12-25 05:56:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1277. [2023-12-25 05:56:14,379 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 05:56:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 2176 transitions. [2023-12-25 05:56:14,387 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 2176 transitions. Word has length 111 [2023-12-25 05:56:14,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:14,388 INFO L495 AbstractCegarLoop]: Abstraction has 1277 states and 2176 transitions. [2023-12-25 05:56:14,388 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 05:56:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 2176 transitions. [2023-12-25 05:56:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 05:56:14,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:14,395 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 05:56:14,416 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 (13)] Ended with exit code 0 [2023-12-25 05:56:14,617 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 05:56:14,618 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:14,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:14,618 INFO L85 PathProgramCache]: Analyzing trace with hash -244644062, now seen corresponding path program 1 times [2023-12-25 05:56:14,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:14,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612046477] [2023-12-25 05:56:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:14,619 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 05:56:14,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:14,633 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 05:56:14,658 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 05:56:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:14,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:14,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:14,873 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 05:56:14,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:14,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:14,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612046477] [2023-12-25 05:56:14,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612046477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:14,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:14,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:14,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203090848] [2023-12-25 05:56:14,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:14,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:14,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:14,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:14,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:14,874 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 05:56:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:14,999 INFO L93 Difference]: Finished difference Result 3079 states and 5281 transitions. [2023-12-25 05:56:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:15,000 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 05:56:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:15,012 INFO L225 Difference]: With dead ends: 3079 [2023-12-25 05:56:15,012 INFO L226 Difference]: Without dead ends: 1928 [2023-12-25 05:56:15,018 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 05:56:15,019 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 128 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:15,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1108 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:15,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2023-12-25 05:56:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1923. [2023-12-25 05:56:15,159 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 05:56:15,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 3295 transitions. [2023-12-25 05:56:15,176 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 3295 transitions. Word has length 112 [2023-12-25 05:56:15,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:15,177 INFO L495 AbstractCegarLoop]: Abstraction has 1923 states and 3295 transitions. [2023-12-25 05:56:15,177 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 05:56:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3295 transitions. [2023-12-25 05:56:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 05:56:15,187 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:15,187 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 05:56:15,209 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 05:56:15,395 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 05:56:15,396 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:15,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:15,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1860263318, now seen corresponding path program 1 times [2023-12-25 05:56:15,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:15,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254150207] [2023-12-25 05:56:15,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:15,397 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 05:56:15,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:15,414 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 05:56:15,476 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 05:56:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:15,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:15,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:15,731 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 05:56:15,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:15,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:15,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254150207] [2023-12-25 05:56:15,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254150207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:15,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:15,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:15,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319493489] [2023-12-25 05:56:15,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:15,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:15,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:15,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:15,733 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 05:56:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:15,841 INFO L93 Difference]: Finished difference Result 4592 states and 7932 transitions. [2023-12-25 05:56:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:15,842 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 05:56:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:15,854 INFO L225 Difference]: With dead ends: 4592 [2023-12-25 05:56:15,854 INFO L226 Difference]: Without dead ends: 2921 [2023-12-25 05:56:15,860 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 05:56:15,861 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 126 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1100 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 05:56:15,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1100 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:15,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2023-12-25 05:56:15,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2916. [2023-12-25 05:56:15,977 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 05:56:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 5027 transitions. [2023-12-25 05:56:15,987 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 5027 transitions. Word has length 113 [2023-12-25 05:56:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:15,987 INFO L495 AbstractCegarLoop]: Abstraction has 2916 states and 5027 transitions. [2023-12-25 05:56:15,987 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 05:56:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 5027 transitions. [2023-12-25 05:56:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 05:56:15,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:15,999 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 05:56:16,004 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 (15)] Ended with exit code 0 [2023-12-25 05:56:16,204 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 05:56:16,205 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:16,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:16,205 INFO L85 PathProgramCache]: Analyzing trace with hash -172707773, now seen corresponding path program 1 times [2023-12-25 05:56:16,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:16,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995625646] [2023-12-25 05:56:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:16,206 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 05:56:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:16,207 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 05:56:16,220 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 05:56:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:16,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:16,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:16,469 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 05:56:16,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:16,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:16,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995625646] [2023-12-25 05:56:16,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995625646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:16,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:16,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:16,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308427676] [2023-12-25 05:56:16,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:16,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:16,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:16,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:16,471 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 05:56:16,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:16,677 INFO L93 Difference]: Finished difference Result 6986 states and 12134 transitions. [2023-12-25 05:56:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:16,677 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 05:56:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:16,701 INFO L225 Difference]: With dead ends: 6986 [2023-12-25 05:56:16,701 INFO L226 Difference]: Without dead ends: 4528 [2023-12-25 05:56:16,712 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 05:56:16,713 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 124 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1100 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 05:56:16,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1100 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4528 states. [2023-12-25 05:56:16,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4528 to 4523. [2023-12-25 05:56:16,901 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 05:56:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 7826 transitions. [2023-12-25 05:56:16,915 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 7826 transitions. Word has length 114 [2023-12-25 05:56:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:16,916 INFO L495 AbstractCegarLoop]: Abstraction has 4523 states and 7826 transitions. [2023-12-25 05:56:16,916 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 05:56:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 7826 transitions. [2023-12-25 05:56:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 05:56:16,927 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:16,927 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 05:56:16,933 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 05:56:17,133 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 05:56:17,134 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:17,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:17,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1809960786, now seen corresponding path program 1 times [2023-12-25 05:56:17,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:17,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374176377] [2023-12-25 05:56:17,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:17,135 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 05:56:17,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:17,135 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 05:56:17,140 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 05:56:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:17,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:17,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:17,384 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 05:56:17,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:17,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374176377] [2023-12-25 05:56:17,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374176377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:17,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:17,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463763616] [2023-12-25 05:56:17,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:17,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:17,386 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 05:56:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:17,584 INFO L93 Difference]: Finished difference Result 11032 states and 19194 transitions. [2023-12-25 05:56:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:17,584 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 05:56:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:17,633 INFO L225 Difference]: With dead ends: 11032 [2023-12-25 05:56:17,634 INFO L226 Difference]: Without dead ends: 7266 [2023-12-25 05:56:17,649 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 05:56:17,650 INFO L413 NwaCegarLoop]: 570 mSDtfsCounter, 122 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:17,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1118 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:17,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7266 states. [2023-12-25 05:56:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7266 to 7261. [2023-12-25 05:56:17,980 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 05:56:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 12566 transitions. [2023-12-25 05:56:18,007 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 12566 transitions. Word has length 115 [2023-12-25 05:56:18,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:18,007 INFO L495 AbstractCegarLoop]: Abstraction has 7261 states and 12566 transitions. [2023-12-25 05:56:18,007 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 05:56:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 12566 transitions. [2023-12-25 05:56:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 05:56:18,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:18,026 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 05:56:18,032 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 05:56:18,232 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 05:56:18,233 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:18,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:18,233 INFO L85 PathProgramCache]: Analyzing trace with hash -440368505, now seen corresponding path program 1 times [2023-12-25 05:56:18,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:18,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070669544] [2023-12-25 05:56:18,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:18,234 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 05:56:18,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:18,235 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 05:56:18,252 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 05:56:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:18,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:18,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:18,479 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 05:56:18,479 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:18,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:18,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070669544] [2023-12-25 05:56:18,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070669544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:18,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:18,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:18,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891271213] [2023-12-25 05:56:18,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:18,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:18,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:18,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:18,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:18,481 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 05:56:18,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:18,910 INFO L93 Difference]: Finished difference Result 18335 states and 31935 transitions. [2023-12-25 05:56:18,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:18,911 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 05:56:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:18,952 INFO L225 Difference]: With dead ends: 18335 [2023-12-25 05:56:18,952 INFO L226 Difference]: Without dead ends: 12212 [2023-12-25 05:56:18,971 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 05:56:18,972 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 120 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:18,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1108 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:56:18,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2023-12-25 05:56:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 12207. [2023-12-25 05:56:19,505 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 05:56:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12207 states to 12207 states and 21145 transitions. [2023-12-25 05:56:19,558 INFO L78 Accepts]: Start accepts. Automaton has 12207 states and 21145 transitions. Word has length 116 [2023-12-25 05:56:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:19,558 INFO L495 AbstractCegarLoop]: Abstraction has 12207 states and 21145 transitions. [2023-12-25 05:56:19,559 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 05:56:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 12207 states and 21145 transitions. [2023-12-25 05:56:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 05:56:19,587 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:19,587 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 05:56:19,611 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 05:56:19,811 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 05:56:19,812 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:19,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:19,813 INFO L85 PathProgramCache]: Analyzing trace with hash 508807232, now seen corresponding path program 1 times [2023-12-25 05:56:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:19,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455150888] [2023-12-25 05:56:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:19,813 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 05:56:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:19,825 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 05:56:19,826 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 05:56:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:20,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:20,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:20,050 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 05:56:20,050 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:20,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:20,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455150888] [2023-12-25 05:56:20,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455150888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:20,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:20,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:20,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988043547] [2023-12-25 05:56:20,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:20,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:20,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:20,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:20,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:20,052 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 05:56:20,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:20,822 INFO L93 Difference]: Finished difference Result 29196 states and 50522 transitions. [2023-12-25 05:56:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:20,822 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 05:56:20,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:20,883 INFO L225 Difference]: With dead ends: 29196 [2023-12-25 05:56:20,883 INFO L226 Difference]: Without dead ends: 19100 [2023-12-25 05:56:20,906 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 05:56:20,906 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 118 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:20,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1078 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19100 states. [2023-12-25 05:56:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19100 to 19095. [2023-12-25 05:56:22,108 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 05:56:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19095 states to 19095 states and 32772 transitions. [2023-12-25 05:56:22,184 INFO L78 Accepts]: Start accepts. Automaton has 19095 states and 32772 transitions. Word has length 117 [2023-12-25 05:56:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:22,184 INFO L495 AbstractCegarLoop]: Abstraction has 19095 states and 32772 transitions. [2023-12-25 05:56:22,185 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 05:56:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 19095 states and 32772 transitions. [2023-12-25 05:56:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-25 05:56:22,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:22,219 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 05:56:22,243 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 05:56:22,428 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 05:56:22,428 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:22,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash 431525064, now seen corresponding path program 1 times [2023-12-25 05:56:22,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:22,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991579191] [2023-12-25 05:56:22,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:22,430 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 05:56:22,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:22,445 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 05:56:22,480 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 05:56:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:22,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:22,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:22,719 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 05:56:22,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:22,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:22,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991579191] [2023-12-25 05:56:22,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991579191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:22,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:22,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:22,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661269137] [2023-12-25 05:56:22,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:22,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:22,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:22,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:22,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:22,722 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 05:56:23,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:23,956 INFO L93 Difference]: Finished difference Result 50435 states and 86909 transitions. [2023-12-25 05:56:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:23,957 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 05:56:23,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:24,125 INFO L225 Difference]: With dead ends: 50435 [2023-12-25 05:56:24,125 INFO L226 Difference]: Without dead ends: 34092 [2023-12-25 05:56:24,164 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 05:56:24,164 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 116 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1103 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 05:56:24,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1103 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:24,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34092 states. [2023-12-25 05:56:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34092 to 34087. [2023-12-25 05:56:25,717 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 05:56:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34087 states to 34087 states and 58420 transitions. [2023-12-25 05:56:25,860 INFO L78 Accepts]: Start accepts. Automaton has 34087 states and 58420 transitions. Word has length 118 [2023-12-25 05:56:25,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:25,861 INFO L495 AbstractCegarLoop]: Abstraction has 34087 states and 58420 transitions. [2023-12-25 05:56:25,861 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 05:56:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 34087 states and 58420 transitions. [2023-12-25 05:56:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-25 05:56:25,887 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:25,887 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 05:56:25,911 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 05:56:26,096 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 05:56:26,096 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:26,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:26,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1737696934, now seen corresponding path program 1 times [2023-12-25 05:56:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:26,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654846908] [2023-12-25 05:56:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:26,097 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 05:56:26,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:26,098 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 05:56:26,132 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 05:56:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:26,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:26,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:26,377 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 05:56:26,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:26,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:26,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654846908] [2023-12-25 05:56:26,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654846908] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:26,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:26,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:26,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3647671] [2023-12-25 05:56:26,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:26,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:26,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:26,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:26,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:26,380 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 05:56:28,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:28,721 INFO L93 Difference]: Finished difference Result 92922 states and 159786 transitions. [2023-12-25 05:56:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:28,722 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 05:56:28,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:28,979 INFO L225 Difference]: With dead ends: 92922 [2023-12-25 05:56:28,979 INFO L226 Difference]: Without dead ends: 62502 [2023-12-25 05:56:29,063 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 05:56:29,064 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 114 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1108 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 05:56:29,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1108 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:29,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62502 states. [2023-12-25 05:56:31,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62502 to 62497. [2023-12-25 05:56:31,771 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 05:56:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62497 states to 62497 states and 106872 transitions. [2023-12-25 05:56:32,001 INFO L78 Accepts]: Start accepts. Automaton has 62497 states and 106872 transitions. Word has length 119 [2023-12-25 05:56:32,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:32,002 INFO L495 AbstractCegarLoop]: Abstraction has 62497 states and 106872 transitions. [2023-12-25 05:56:32,002 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 05:56:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 62497 states and 106872 transitions. [2023-12-25 05:56:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-25 05:56:32,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:32,026 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 05:56:32,032 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 05:56:32,233 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 05:56:32,233 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:32,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash -192299672, now seen corresponding path program 1 times [2023-12-25 05:56:32,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:32,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657215985] [2023-12-25 05:56:32,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:32,487 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 05:56:32,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:32,488 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 05:56:32,521 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 05:56:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:32,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:56:32,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:32,715 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 05:56:32,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:32,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:32,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657215985] [2023-12-25 05:56:32,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657215985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:32,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:32,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:56:32,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502600626] [2023-12-25 05:56:32,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:32,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:56:32,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:32,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:56:32,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:56:32,717 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 05:56:36,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:36,582 INFO L93 Difference]: Finished difference Result 117045 states and 200598 transitions. [2023-12-25 05:56:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:56:36,582 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 05:56:36,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:37,097 INFO L225 Difference]: With dead ends: 117045 [2023-12-25 05:56:37,097 INFO L226 Difference]: Without dead ends: 116865 [2023-12-25 05:56:37,144 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 05:56:37,145 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 112 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1103 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 05:56:37,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1103 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:56:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116865 states. [2023-12-25 05:56:42,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116865 to 116860. [2023-12-25 05:56:42,347 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 05:56:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116860 states to 116860 states and 199235 transitions. [2023-12-25 05:56:43,193 INFO L78 Accepts]: Start accepts. Automaton has 116860 states and 199235 transitions. Word has length 120 [2023-12-25 05:56:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:56:43,193 INFO L495 AbstractCegarLoop]: Abstraction has 116860 states and 199235 transitions. [2023-12-25 05:56:43,194 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 05:56:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 116860 states and 199235 transitions. [2023-12-25 05:56:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-25 05:56:43,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:56:43,223 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 05:56:43,230 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 05:56:43,428 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 05:56:43,428 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:56:43,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:56:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash -61160551, now seen corresponding path program 1 times [2023-12-25 05:56:43,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:56:43,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271233235] [2023-12-25 05:56:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:56:43,429 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 05:56:43,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:56:43,430 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 05:56:43,432 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 05:56:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:56:43,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 05:56:43,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:56:44,170 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 05:56:44,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:56:44,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:56:44,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271233235] [2023-12-25 05:56:44,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271233235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:56:44,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:56:44,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 05:56:44,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748842885] [2023-12-25 05:56:44,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:56:44,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 05:56:44,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:56:44,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 05:56:44,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-25 05:56:44,172 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 05:56:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:56:53,888 INFO L93 Difference]: Finished difference Result 232779 states and 402385 transitions. [2023-12-25 05:56:53,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 05:56:53,889 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 05:56:53,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:56:55,503 INFO L225 Difference]: With dead ends: 232779 [2023-12-25 05:56:55,504 INFO L226 Difference]: Without dead ends: 232606 [2023-12-25 05:56:55,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-12-25 05:56:55,626 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 1453 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 05:56:55,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 4861 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 05:56:55,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232606 states. [2023-12-25 05:57:06,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232606 to 232590. [2023-12-25 05:57:07,129 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 05:57:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232590 states to 232590 states and 399952 transitions. [2023-12-25 05:57:08,499 INFO L78 Accepts]: Start accepts. Automaton has 232590 states and 399952 transitions. Word has length 121 [2023-12-25 05:57:08,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:57:08,499 INFO L495 AbstractCegarLoop]: Abstraction has 232590 states and 399952 transitions. [2023-12-25 05:57:08,500 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 05:57:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 232590 states and 399952 transitions. [2023-12-25 05:57:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-25 05:57:08,561 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:57:08,561 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 05:57:08,567 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 (23)] Ended with exit code 0 [2023-12-25 05:57:08,761 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 05:57:08,762 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:57:08,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:57:08,762 INFO L85 PathProgramCache]: Analyzing trace with hash -612026828, now seen corresponding path program 1 times [2023-12-25 05:57:08,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:57:08,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176364441] [2023-12-25 05:57:08,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:57:08,763 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 05:57:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:57:08,785 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 05:57:08,799 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 05:57:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:57:08,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 05:57:08,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:57:09,362 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 05:57:09,363 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:57:09,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:57:09,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176364441] [2023-12-25 05:57:09,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176364441] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:57:09,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:57:09,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 05:57:09,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467149534] [2023-12-25 05:57:09,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:57:09,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 05:57:09,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:57:09,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 05:57:09,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-25 05:57:09,365 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 05:57:27,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:57:27,224 INFO L93 Difference]: Finished difference Result 461365 states and 804421 transitions. [2023-12-25 05:57:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 05:57:27,225 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 05:57:27,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:57:29,867 INFO L225 Difference]: With dead ends: 461365 [2023-12-25 05:57:29,867 INFO L226 Difference]: Without dead ends: 460843 [2023-12-25 05:57:30,073 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 05:57:30,074 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 910 mSDsluCounter, 4724 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 5299 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-25 05:57:30,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 5299 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-25 05:57:30,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460843 states. [2023-12-25 05:57:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460843 to 460821. [2023-12-25 05:57:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460821 states, 387542 states have (on average 1.6290053723209355) internal successors, (631308), 387178 states have internal predecessors, (631308), 73136 states have call successors, (73136), 130 states have call predecessors, (73136), 142 states have return successors, (96995), 73526 states have call predecessors, (96995), 73129 states have call successors, (96995)