/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_spec0_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 05:38:04,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 05:38:04,211 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 05:38:04,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 05:38:04,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 05:38:04,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 05:38:04,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 05:38:04,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 05:38:04,230 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 05:38:04,231 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 05:38:04,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 05:38:04,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 05:38:04,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 05:38:04,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 05:38:04,232 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 05:38:04,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 05:38:04,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 05:38:04,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 05:38:04,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 05:38:04,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 05:38:04,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 05:38:04,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 05:38:04,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 05:38:04,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 05:38:04,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 05:38:04,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 05:38:04,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 05:38:04,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 05:38:04,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 05:38:04,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 05:38:04,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 05:38:04,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 05:38:04,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 05:38:04,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 05:38:04,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:38:04,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 05:38:04,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 05:38:04,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 05:38:04,238 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 05:38:04,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 05:38:04,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 05:38:04,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 05:38:04,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 05:38:04,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 05:38:04,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 05:38:04,239 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 05:38:04,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 05:38:04,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 05:38:04,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 05:38:04,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 05:38:04,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 05:38:04,387 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 05:38:04,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product26.cil.c [2023-12-25 05:38:05,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 05:38:05,887 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 05:38:05,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product26.cil.c [2023-12-25 05:38:05,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337d01b1d/0983db14110f4b389f682b6990121601/FLAG28038829a [2023-12-25 05:38:06,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337d01b1d/0983db14110f4b389f682b6990121601 [2023-12-25 05:38:06,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 05:38:06,253 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 05:38:06,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 05:38:06,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 05:38:06,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 05:38:06,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:38:06" (1/1) ... [2023-12-25 05:38:06,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a7f8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:06, skipping insertion in model container [2023-12-25 05:38:06,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:38:06" (1/1) ... [2023-12-25 05:38:06,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:38:06,960 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_spec0_product26.cil.c[63882,63895] [2023-12-25 05:38:06,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:38:06,986 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 05:38:07,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:38:07,101 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_spec0_product26.cil.c[63882,63895] [2023-12-25 05:38:07,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:38:07,113 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 05:38:07,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2023-12-25 05:38:07,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [424] [2023-12-25 05:38:07,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [828] [2023-12-25 05:38:07,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1152] [2023-12-25 05:38:07,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1374] [2023-12-25 05:38:07,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1477] [2023-12-25 05:38:07,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1512] [2023-12-25 05:38:07,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2572] [2023-12-25 05:38:07,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2592] [2023-12-25 05:38:07,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2958] [2023-12-25 05:38:07,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2975] [2023-12-25 05:38:07,223 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_spec0_product26.cil.c[63882,63895] [2023-12-25 05:38:07,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:38:07,262 INFO L206 MainTranslator]: Completed translation [2023-12-25 05:38:07,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07 WrapperNode [2023-12-25 05:38:07,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 05:38:07,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 05:38:07,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 05:38:07,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 05:38:07,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,366 INFO L138 Inliner]: procedures = 133, calls = 204, calls flagged for inlining = 59, calls inlined = 56, statements flattened = 1022 [2023-12-25 05:38:07,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 05:38:07,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 05:38:07,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 05:38:07,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 05:38:07,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,420 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 05:38:07,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 05:38:07,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 05:38:07,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 05:38:07,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 05:38:07,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (1/1) ... [2023-12-25 05:38:07,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:38:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 05:38:07,543 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 05:38:07,612 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 05:38:07,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-25 05:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-25 05:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-25 05:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-25 05:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-25 05:38:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-25 05:38:07,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-25 05:38:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-25 05:38:07,627 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-25 05:38:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-25 05:38:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-25 05:38:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-25 05:38:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-25 05:38:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-25 05:38:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-25 05:38:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 05:38:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-25 05:38:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-25 05:38:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-25 05:38:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-25 05:38:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-25 05:38:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-25 05:38:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-25 05:38:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-25 05:38:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-25 05:38:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-25 05:38:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-25 05:38:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-25 05:38:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-25 05:38:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-25 05:38:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 05:38:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 05:38:07,815 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 05:38:07,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 05:38:08,537 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 05:38:08,593 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 05:38:08,593 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 05:38:08,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:38:08 BoogieIcfgContainer [2023-12-25 05:38:08,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 05:38:08,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 05:38:08,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 05:38:08,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 05:38:08,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 05:38:06" (1/3) ... [2023-12-25 05:38:08,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c351d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:38:08, skipping insertion in model container [2023-12-25 05:38:08,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:38:07" (2/3) ... [2023-12-25 05:38:08,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c351d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:38:08, skipping insertion in model container [2023-12-25 05:38:08,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:38:08" (3/3) ... [2023-12-25 05:38:08,601 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2023-12-25 05:38:08,615 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 05:38:08,615 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 05:38:08,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 05:38:08,681 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;@5f59db8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 05:38:08,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 05:38:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 284 states have (on average 1.6161971830985915) internal successors, (459), 289 states have internal predecessors, (459), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-25 05:38:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-25 05:38:08,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:08,713 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 05:38:08,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:08,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:08,725 INFO L85 PathProgramCache]: Analyzing trace with hash 779558688, now seen corresponding path program 1 times [2023-12-25 05:38:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:08,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620222746] [2023-12-25 05:38:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:08,737 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 05:38:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:08,739 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 05:38:08,742 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 05:38:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:09,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 05:38:09,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-25 05:38:09,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:09,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:09,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620222746] [2023-12-25 05:38:09,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620222746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:09,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:09,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 05:38:09,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774569799] [2023-12-25 05:38:09,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:09,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 05:38:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 05:38:09,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 05:38:09,175 INFO L87 Difference]: Start difference. First operand has 372 states, 284 states have (on average 1.6161971830985915) internal successors, (459), 289 states have internal predecessors, (459), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 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 36.0) internal successors, (72), 2 states have internal predecessors, (72), 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 05:38:09,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:09,256 INFO L93 Difference]: Finished difference Result 556 states and 858 transitions. [2023-12-25 05:38:09,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 05:38:09,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 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 138 [2023-12-25 05:38:09,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:09,268 INFO L225 Difference]: With dead ends: 556 [2023-12-25 05:38:09,268 INFO L226 Difference]: Without dead ends: 369 [2023-12-25 05:38:09,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 05:38:09,275 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:09,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:09,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-25 05:38:09,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2023-12-25 05:38:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 282 states have (on average 1.6028368794326242) internal successors, (452), 286 states have internal predecessors, (452), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-25 05:38:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 575 transitions. [2023-12-25 05:38:09,323 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 575 transitions. Word has length 138 [2023-12-25 05:38:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:09,324 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 575 transitions. [2023-12-25 05:38:09,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 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 05:38:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 575 transitions. [2023-12-25 05:38:09,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-25 05:38:09,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:09,331 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 05:38:09,353 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 05:38:09,537 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 05:38:09,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:09,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:09,538 INFO L85 PathProgramCache]: Analyzing trace with hash 301483568, now seen corresponding path program 1 times [2023-12-25 05:38:09,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:09,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144187581] [2023-12-25 05:38:09,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:09,539 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 05:38:09,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:09,542 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 05:38:09,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 05:38:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:09,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:38:09,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-25 05:38:09,867 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:09,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:09,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144187581] [2023-12-25 05:38:09,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144187581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:09,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:09,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:09,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458940734] [2023-12-25 05:38:09,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:09,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:38:09,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:09,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:38:09,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:38:09,870 INFO L87 Difference]: Start difference. First operand 369 states and 575 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:09,990 INFO L93 Difference]: Finished difference Result 733 states and 1144 transitions. [2023-12-25 05:38:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:38:09,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 139 [2023-12-25 05:38:09,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:09,993 INFO L225 Difference]: With dead ends: 733 [2023-12-25 05:38:09,994 INFO L226 Difference]: Without dead ends: 371 [2023-12-25 05:38:09,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 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 05:38:09,997 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 8 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:09,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2189 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:09,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-12-25 05:38:10,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2023-12-25 05:38:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 283 states have (on average 1.6007067137809188) internal successors, (453), 288 states have internal predecessors, (453), 62 states have call successors, (62), 24 states have call predecessors, (62), 25 states have return successors, (63), 60 states have call predecessors, (63), 61 states have call successors, (63) [2023-12-25 05:38:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 578 transitions. [2023-12-25 05:38:10,015 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 578 transitions. Word has length 139 [2023-12-25 05:38:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:10,016 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 578 transitions. [2023-12-25 05:38:10,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 578 transitions. [2023-12-25 05:38:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-25 05:38:10,019 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:10,019 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:10,044 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 05:38:10,225 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 05:38:10,229 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:10,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:10,233 INFO L85 PathProgramCache]: Analyzing trace with hash 804403380, now seen corresponding path program 1 times [2023-12-25 05:38:10,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:10,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389465842] [2023-12-25 05:38:10,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:10,234 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 05:38:10,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:10,235 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 05:38:10,237 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 05:38:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:10,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:38:10,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-25 05:38:10,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:10,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:10,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389465842] [2023-12-25 05:38:10,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389465842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:10,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:10,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:10,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654934120] [2023-12-25 05:38:10,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:10,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:38:10,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:10,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:38:10,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:38:10,490 INFO L87 Difference]: Start difference. First operand 371 states and 578 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 05:38:10,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:10,615 INFO L93 Difference]: Finished difference Result 735 states and 1148 transitions. [2023-12-25 05:38:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:38:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 122 [2023-12-25 05:38:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:10,618 INFO L225 Difference]: With dead ends: 735 [2023-12-25 05:38:10,618 INFO L226 Difference]: Without dead ends: 373 [2023-12-25 05:38:10,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 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 05:38:10,620 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 8 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:10,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2175 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-25 05:38:10,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-12-25 05:38:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 284 states have (on average 1.5985915492957747) internal successors, (454), 290 states have internal predecessors, (454), 62 states have call successors, (62), 24 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 05:38:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 583 transitions. [2023-12-25 05:38:10,646 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 583 transitions. Word has length 122 [2023-12-25 05:38:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:10,647 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 583 transitions. [2023-12-25 05:38:10,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 05:38:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 583 transitions. [2023-12-25 05:38:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-25 05:38:10,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:10,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1] [2023-12-25 05:38:10,674 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 05:38:10,857 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 05:38:10,857 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:10,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:10,858 INFO L85 PathProgramCache]: Analyzing trace with hash -563702516, now seen corresponding path program 1 times [2023-12-25 05:38:10,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:10,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933994331] [2023-12-25 05:38:10,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:10,859 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 05:38:10,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:10,860 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 05:38:10,876 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 05:38:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:11,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:38:11,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:11,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:11,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:11,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933994331] [2023-12-25 05:38:11,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933994331] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:11,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:11,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:11,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464908151] [2023-12-25 05:38:11,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:11,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:38:11,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:38:11,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:38:11,169 INFO L87 Difference]: Start difference. First operand 373 states and 583 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:11,267 INFO L93 Difference]: Finished difference Result 727 states and 1138 transitions. [2023-12-25 05:38:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:38:11,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 141 [2023-12-25 05:38:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:11,270 INFO L225 Difference]: With dead ends: 727 [2023-12-25 05:38:11,270 INFO L226 Difference]: Without dead ends: 373 [2023-12-25 05:38:11,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 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 05:38:11,306 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 8 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:11,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2189 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:11,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-25 05:38:11,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-12-25 05:38:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 284 states have (on average 1.5985915492957747) internal successors, (454), 290 states have internal predecessors, (454), 62 states have call successors, (62), 24 states have call predecessors, (62), 26 states have return successors, (66), 60 states have call predecessors, (66), 61 states have call successors, (66) [2023-12-25 05:38:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 582 transitions. [2023-12-25 05:38:11,318 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 582 transitions. Word has length 141 [2023-12-25 05:38:11,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:11,318 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 582 transitions. [2023-12-25 05:38:11,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 582 transitions. [2023-12-25 05:38:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-25 05:38:11,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:11,320 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:11,329 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 05:38:11,527 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 05:38:11,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:11,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:11,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1464133038, now seen corresponding path program 1 times [2023-12-25 05:38:11,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:11,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544962644] [2023-12-25 05:38:11,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:11,529 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 05:38:11,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:11,535 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 05:38:11,565 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 05:38:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:11,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:38:11,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-25 05:38:11,813 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:11,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:11,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544962644] [2023-12-25 05:38:11,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544962644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:11,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:11,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:11,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998692036] [2023-12-25 05:38:11,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:11,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:38:11,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:11,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:38:11,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:38:11,815 INFO L87 Difference]: Start difference. First operand 373 states and 582 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 05:38:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:11,916 INFO L93 Difference]: Finished difference Result 729 states and 1141 transitions. [2023-12-25 05:38:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:38:11,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2023-12-25 05:38:11,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:11,918 INFO L225 Difference]: With dead ends: 729 [2023-12-25 05:38:11,918 INFO L226 Difference]: Without dead ends: 375 [2023-12-25 05:38:11,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 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 05:38:11,920 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 6 mSDsluCounter, 1640 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2191 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 05:38:11,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2191 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:11,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-25 05:38:11,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-12-25 05:38:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 285 states have (on average 1.5964912280701755) internal successors, (455), 292 states have internal predecessors, (455), 62 states have call successors, (62), 24 states have call predecessors, (62), 27 states have return successors, (68), 60 states have call predecessors, (68), 61 states have call successors, (68) [2023-12-25 05:38:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 585 transitions. [2023-12-25 05:38:11,931 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 585 transitions. Word has length 124 [2023-12-25 05:38:11,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:11,932 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 585 transitions. [2023-12-25 05:38:11,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 05:38:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 585 transitions. [2023-12-25 05:38:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-25 05:38:11,934 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:11,934 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2023-12-25 05:38:11,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 05:38:12,140 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 05:38:12,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:12,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:12,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1588365103, now seen corresponding path program 1 times [2023-12-25 05:38:12,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:12,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673703236] [2023-12-25 05:38:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:12,141 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 05:38:12,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:12,142 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 05:38:12,173 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 05:38:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:12,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:38:12,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-25 05:38:12,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:12,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:12,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673703236] [2023-12-25 05:38:12,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673703236] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:12,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:12,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:12,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285810988] [2023-12-25 05:38:12,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:12,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:38:12,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:12,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:38:12,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:38:12,405 INFO L87 Difference]: Start difference. First operand 375 states and 585 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:12,501 INFO L93 Difference]: Finished difference Result 727 states and 1136 transitions. [2023-12-25 05:38:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:38:12,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 143 [2023-12-25 05:38:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:12,504 INFO L225 Difference]: With dead ends: 727 [2023-12-25 05:38:12,504 INFO L226 Difference]: Without dead ends: 375 [2023-12-25 05:38:12,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 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 05:38:12,505 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 8 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2176 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:12,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2176 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-25 05:38:12,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-12-25 05:38:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 285 states have (on average 1.5964912280701755) internal successors, (455), 292 states have internal predecessors, (455), 62 states have call successors, (62), 24 states have call predecessors, (62), 27 states have return successors, (67), 60 states have call predecessors, (67), 61 states have call successors, (67) [2023-12-25 05:38:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 584 transitions. [2023-12-25 05:38:12,515 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 584 transitions. Word has length 143 [2023-12-25 05:38:12,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:12,515 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 584 transitions. [2023-12-25 05:38:12,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 584 transitions. [2023-12-25 05:38:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-25 05:38:12,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:12,517 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:12,524 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 05:38:12,723 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 05:38:12,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:12,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:12,725 INFO L85 PathProgramCache]: Analyzing trace with hash 39411489, now seen corresponding path program 1 times [2023-12-25 05:38:12,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:12,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280474683] [2023-12-25 05:38:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:12,726 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 05:38:12,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:12,730 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 05:38:12,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 05:38:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:12,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:38:12,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-25 05:38:12,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:12,990 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:12,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280474683] [2023-12-25 05:38:12,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280474683] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:12,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:12,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211435910] [2023-12-25 05:38:12,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:12,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:38:12,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:12,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:38:12,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:38:12,992 INFO L87 Difference]: Start difference. First operand 375 states and 584 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 05:38:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:13,115 INFO L93 Difference]: Finished difference Result 729 states and 1141 transitions. [2023-12-25 05:38:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:38:13,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 126 [2023-12-25 05:38:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:13,118 INFO L225 Difference]: With dead ends: 729 [2023-12-25 05:38:13,118 INFO L226 Difference]: Without dead ends: 377 [2023-12-25 05:38:13,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 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 05:38:13,119 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 6 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:13,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2178 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:13,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-12-25 05:38:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2023-12-25 05:38:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 286 states have (on average 1.5944055944055944) internal successors, (456), 294 states have internal predecessors, (456), 62 states have call successors, (62), 24 states have call predecessors, (62), 28 states have return successors, (71), 60 states have call predecessors, (71), 61 states have call successors, (71) [2023-12-25 05:38:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 589 transitions. [2023-12-25 05:38:13,128 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 589 transitions. Word has length 126 [2023-12-25 05:38:13,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:13,128 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 589 transitions. [2023-12-25 05:38:13,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-25 05:38:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 589 transitions. [2023-12-25 05:38:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-25 05:38:13,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:13,130 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:13,138 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 05:38:13,335 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 05:38:13,336 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:13,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:13,336 INFO L85 PathProgramCache]: Analyzing trace with hash 462547412, now seen corresponding path program 1 times [2023-12-25 05:38:13,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:13,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788536706] [2023-12-25 05:38:13,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:13,337 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 05:38:13,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:13,338 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 05:38:13,340 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 05:38:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:13,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:13,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:13,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:13,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:13,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788536706] [2023-12-25 05:38:13,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788536706] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:13,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:13,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:13,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254749855] [2023-12-25 05:38:13,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:13,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:13,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:13,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:13,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:13,609 INFO L87 Difference]: Start difference. First operand 377 states and 589 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:13,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:13,649 INFO L93 Difference]: Finished difference Result 560 states and 856 transitions. [2023-12-25 05:38:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:13,650 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2023-12-25 05:38:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:13,652 INFO L225 Difference]: With dead ends: 560 [2023-12-25 05:38:13,652 INFO L226 Difference]: Without dead ends: 379 [2023-12-25 05:38:13,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 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 05:38:13,653 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:13,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1117 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-12-25 05:38:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2023-12-25 05:38:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 296 states have internal predecessors, (458), 62 states have call successors, (62), 24 states have call predecessors, (62), 28 states have return successors, (71), 60 states have call predecessors, (71), 61 states have call successors, (71) [2023-12-25 05:38:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 591 transitions. [2023-12-25 05:38:13,662 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 591 transitions. Word has length 127 [2023-12-25 05:38:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:13,662 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 591 transitions. [2023-12-25 05:38:13,662 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 591 transitions. [2023-12-25 05:38:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-25 05:38:13,664 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:13,664 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:13,670 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 05:38:13,869 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 05:38:13,870 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:13,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:13,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1661966863, now seen corresponding path program 1 times [2023-12-25 05:38:13,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:13,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723330073] [2023-12-25 05:38:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:13,871 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 05:38:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:13,872 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 05:38:13,874 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 05:38:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:14,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:14,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:14,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:14,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723330073] [2023-12-25 05:38:14,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723330073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:14,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:14,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:14,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470484494] [2023-12-25 05:38:14,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:14,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:14,187 INFO L87 Difference]: Start difference. First operand 379 states and 591 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:14,234 INFO L93 Difference]: Finished difference Result 806 states and 1275 transitions. [2023-12-25 05:38:14,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:14,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2023-12-25 05:38:14,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:14,237 INFO L225 Difference]: With dead ends: 806 [2023-12-25 05:38:14,237 INFO L226 Difference]: Without dead ends: 453 [2023-12-25 05:38:14,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 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 05:38:14,239 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 136 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:14,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1090 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-12-25 05:38:14,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 448. [2023-12-25 05:38:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 343 states have (on average 1.6093294460641399) internal successors, (552), 351 states have internal predecessors, (552), 76 states have call successors, (76), 24 states have call predecessors, (76), 28 states have return successors, (87), 74 states have call predecessors, (87), 75 states have call successors, (87) [2023-12-25 05:38:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 715 transitions. [2023-12-25 05:38:14,252 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 715 transitions. Word has length 134 [2023-12-25 05:38:14,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:14,253 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 715 transitions. [2023-12-25 05:38:14,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 715 transitions. [2023-12-25 05:38:14,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-25 05:38:14,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:14,255 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:14,274 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 (10)] Ended with exit code 0 [2023-12-25 05:38:14,460 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 05:38:14,460 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:14,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:14,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1050508751, now seen corresponding path program 1 times [2023-12-25 05:38:14,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196205363] [2023-12-25 05:38:14,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:14,462 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 05:38:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:14,466 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 05:38:14,466 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 05:38:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:14,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 05:38:14,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:14,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:14,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:14,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196205363] [2023-12-25 05:38:14,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196205363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:14,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:14,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 05:38:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749513657] [2023-12-25 05:38:14,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:14,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 05:38:14,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 05:38:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 05:38:14,762 INFO L87 Difference]: Start difference. First operand 448 states and 715 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:14,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:14,852 INFO L93 Difference]: Finished difference Result 888 states and 1408 transitions. [2023-12-25 05:38:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 05:38:14,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2023-12-25 05:38:14,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:14,854 INFO L225 Difference]: With dead ends: 888 [2023-12-25 05:38:14,855 INFO L226 Difference]: Without dead ends: 464 [2023-12-25 05:38:14,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 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 05:38:14,856 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 536 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:14,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1133 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2023-12-25 05:38:14,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 456. [2023-12-25 05:38:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 350 states have (on average 1.5942857142857143) internal successors, (558), 357 states have internal predecessors, (558), 76 states have call successors, (76), 26 states have call predecessors, (76), 29 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83) [2023-12-25 05:38:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 717 transitions. [2023-12-25 05:38:14,872 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 717 transitions. Word has length 153 [2023-12-25 05:38:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:14,872 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 717 transitions. [2023-12-25 05:38:14,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-25 05:38:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 717 transitions. [2023-12-25 05:38:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-25 05:38:14,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:14,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:14,880 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 05:38:15,080 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 05:38:15,081 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:15,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1222973860, now seen corresponding path program 1 times [2023-12-25 05:38:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:15,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21797373] [2023-12-25 05:38:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:15,082 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 05:38:15,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:15,083 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 05:38:15,088 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 05:38:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:15,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 05:38:15,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:15,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 05:38:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:15,420 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:15,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21797373] [2023-12-25 05:38:15,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21797373] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 05:38:15,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 05:38:15,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-25 05:38:15,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173096789] [2023-12-25 05:38:15,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 05:38:15,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 05:38:15,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:15,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 05:38:15,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:38:15,422 INFO L87 Difference]: Start difference. First operand 456 states and 717 transitions. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-25 05:38:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:15,667 INFO L93 Difference]: Finished difference Result 1072 states and 1748 transitions. [2023-12-25 05:38:15,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 05:38:15,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 154 [2023-12-25 05:38:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:15,672 INFO L225 Difference]: With dead ends: 1072 [2023-12-25 05:38:15,672 INFO L226 Difference]: Without dead ends: 891 [2023-12-25 05:38:15,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 302 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 05:38:15,673 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 474 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 2927 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:15,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 2927 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 05:38:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2023-12-25 05:38:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2023-12-25 05:38:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 691 states have (on average 1.6396526772793054) internal successors, (1133), 698 states have internal predecessors, (1133), 155 states have call successors, (155), 26 states have call predecessors, (155), 29 states have return successors, (172), 153 states have call predecessors, (172), 154 states have call successors, (172) [2023-12-25 05:38:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1460 transitions. [2023-12-25 05:38:15,705 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1460 transitions. Word has length 154 [2023-12-25 05:38:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:15,705 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1460 transitions. [2023-12-25 05:38:15,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-25 05:38:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1460 transitions. [2023-12-25 05:38:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-25 05:38:15,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:15,710 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:15,718 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 05:38:15,915 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 05:38:15,916 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:15,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:15,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2085433589, now seen corresponding path program 1 times [2023-12-25 05:38:15,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:15,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285408294] [2023-12-25 05:38:15,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:15,917 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 05:38:15,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:15,919 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 05:38:15,919 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 05:38:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:16,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:16,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:16,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:16,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:16,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285408294] [2023-12-25 05:38:16,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285408294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:16,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:16,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:16,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486973900] [2023-12-25 05:38:16,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:16,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:16,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:16,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:16,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:16,168 INFO L87 Difference]: Start difference. First operand 876 states and 1460 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 05:38:16,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:16,236 INFO L93 Difference]: Finished difference Result 2083 states and 3533 transitions. [2023-12-25 05:38:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:16,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 157 [2023-12-25 05:38:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:16,242 INFO L225 Difference]: With dead ends: 2083 [2023-12-25 05:38:16,242 INFO L226 Difference]: Without dead ends: 1283 [2023-12-25 05:38:16,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 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 05:38:16,244 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 130 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1117 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 05:38:16,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1117 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2023-12-25 05:38:16,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1278. [2023-12-25 05:38:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 1014 states have (on average 1.6568047337278107) internal successors, (1680), 1021 states have internal predecessors, (1680), 234 states have call successors, (234), 26 states have call predecessors, (234), 29 states have return successors, (261), 232 states have call predecessors, (261), 233 states have call successors, (261) [2023-12-25 05:38:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 2175 transitions. [2023-12-25 05:38:16,311 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 2175 transitions. Word has length 157 [2023-12-25 05:38:16,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:16,312 INFO L495 AbstractCegarLoop]: Abstraction has 1278 states and 2175 transitions. [2023-12-25 05:38:16,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 05:38:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 2175 transitions. [2023-12-25 05:38:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-25 05:38:16,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:16,317 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:16,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 05:38:16,523 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 05:38:16,524 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:16,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:16,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2257392, now seen corresponding path program 1 times [2023-12-25 05:38:16,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:16,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674151275] [2023-12-25 05:38:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:16,525 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 05:38:16,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:16,526 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 05:38:16,560 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 05:38:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:16,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:16,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:16,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:16,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:16,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674151275] [2023-12-25 05:38:16,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674151275] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:16,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:16,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:16,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800730943] [2023-12-25 05:38:16,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:16,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:16,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:16,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:16,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:16,781 INFO L87 Difference]: Start difference. First operand 1278 states and 2175 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 05:38:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:16,871 INFO L93 Difference]: Finished difference Result 3081 states and 5279 transitions. [2023-12-25 05:38:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:16,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 158 [2023-12-25 05:38:16,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:16,884 INFO L225 Difference]: With dead ends: 3081 [2023-12-25 05:38:16,884 INFO L226 Difference]: Without dead ends: 1929 [2023-12-25 05:38:16,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 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 05:38:16,889 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 128 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:16,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1103 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:16,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2023-12-25 05:38:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1924. [2023-12-25 05:38:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1541 states have (on average 1.6619078520441273) internal successors, (2561), 1548 states have internal predecessors, (2561), 353 states have call successors, (353), 26 states have call predecessors, (353), 29 states have return successors, (380), 351 states have call predecessors, (380), 352 states have call successors, (380) [2023-12-25 05:38:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 3294 transitions. [2023-12-25 05:38:16,960 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 3294 transitions. Word has length 158 [2023-12-25 05:38:16,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:16,960 INFO L495 AbstractCegarLoop]: Abstraction has 1924 states and 3294 transitions. [2023-12-25 05:38:16,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 05:38:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 3294 transitions. [2023-12-25 05:38:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-25 05:38:16,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:16,969 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:16,993 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 05:38:17,175 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 05:38:17,176 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:17,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:17,176 INFO L85 PathProgramCache]: Analyzing trace with hash 814861559, now seen corresponding path program 1 times [2023-12-25 05:38:17,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:17,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292453811] [2023-12-25 05:38:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:17,177 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 05:38:17,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:17,179 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 05:38:17,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 05:38:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:17,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:17,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:17,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:17,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:17,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292453811] [2023-12-25 05:38:17,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292453811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:17,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:17,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:17,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011393201] [2023-12-25 05:38:17,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:17,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:17,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:17,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:17,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:17,397 INFO L87 Difference]: Start difference. First operand 1924 states and 3294 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:17,519 INFO L93 Difference]: Finished difference Result 4594 states and 7930 transitions. [2023-12-25 05:38:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:17,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2023-12-25 05:38:17,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:17,530 INFO L225 Difference]: With dead ends: 4594 [2023-12-25 05:38:17,530 INFO L226 Difference]: Without dead ends: 2922 [2023-12-25 05:38:17,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 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 05:38:17,534 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 126 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:17,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1100 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:17,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2023-12-25 05:38:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2917. [2023-12-25 05:38:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2372 states have (on average 1.6665261382799326) internal successors, (3953), 2379 states have internal predecessors, (3953), 515 states have call successors, (515), 26 states have call predecessors, (515), 29 states have return successors, (558), 513 states have call predecessors, (558), 514 states have call successors, (558) [2023-12-25 05:38:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5026 transitions. [2023-12-25 05:38:17,687 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5026 transitions. Word has length 141 [2023-12-25 05:38:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:17,688 INFO L495 AbstractCegarLoop]: Abstraction has 2917 states and 5026 transitions. [2023-12-25 05:38:17,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5026 transitions. [2023-12-25 05:38:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 05:38:17,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:17,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:17,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 05:38:17,904 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 05:38:17,904 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:17,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 464094225, now seen corresponding path program 1 times [2023-12-25 05:38:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:17,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617406947] [2023-12-25 05:38:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:17,905 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 05:38:17,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:17,907 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 05:38:17,908 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 05:38:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:18,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:18,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:18,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:18,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:18,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617406947] [2023-12-25 05:38:18,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617406947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:18,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:18,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:18,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805312716] [2023-12-25 05:38:18,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:18,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:18,183 INFO L87 Difference]: Start difference. First operand 2917 states and 5026 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 05:38:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:18,427 INFO L93 Difference]: Finished difference Result 6988 states and 12132 transitions. [2023-12-25 05:38:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:18,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 160 [2023-12-25 05:38:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:18,462 INFO L225 Difference]: With dead ends: 6988 [2023-12-25 05:38:18,462 INFO L226 Difference]: Without dead ends: 4529 [2023-12-25 05:38:18,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 05:38:18,471 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 124 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:18,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1100 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:18,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2023-12-25 05:38:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 4524. [2023-12-25 05:38:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4524 states, 3734 states have (on average 1.6700589180503482) internal successors, (6236), 3741 states have internal predecessors, (6236), 760 states have call successors, (760), 26 states have call predecessors, (760), 29 states have return successors, (829), 758 states have call predecessors, (829), 759 states have call successors, (829) [2023-12-25 05:38:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 7825 transitions. [2023-12-25 05:38:18,686 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 7825 transitions. Word has length 160 [2023-12-25 05:38:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:18,687 INFO L495 AbstractCegarLoop]: Abstraction has 4524 states and 7825 transitions. [2023-12-25 05:38:18,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 05:38:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 7825 transitions. [2023-12-25 05:38:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-25 05:38:18,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:18,706 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:18,727 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 05:38:18,911 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 05:38:18,912 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:18,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash -587706219, now seen corresponding path program 1 times [2023-12-25 05:38:18,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:18,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741688318] [2023-12-25 05:38:18,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:18,913 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 05:38:18,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:18,914 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 05:38:18,959 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 05:38:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:19,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:19,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:19,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:19,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741688318] [2023-12-25 05:38:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741688318] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:19,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486146534] [2023-12-25 05:38:19,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:19,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:19,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:19,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:19,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:19,192 INFO L87 Difference]: Start difference. First operand 4524 states and 7825 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 05:38:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:19,438 INFO L93 Difference]: Finished difference Result 11034 states and 19192 transitions. [2023-12-25 05:38:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:19,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 161 [2023-12-25 05:38:19,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:19,482 INFO L225 Difference]: With dead ends: 11034 [2023-12-25 05:38:19,483 INFO L226 Difference]: Without dead ends: 7267 [2023-12-25 05:38:19,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 05:38:19,497 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 122 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1111 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 05:38:19,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1111 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:19,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7267 states. [2023-12-25 05:38:19,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7267 to 7262. [2023-12-25 05:38:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7262 states, 5979 states have (on average 1.6634888777387522) internal successors, (9946), 5986 states have internal predecessors, (9946), 1253 states have call successors, (1253), 26 states have call predecessors, (1253), 29 states have return successors, (1366), 1251 states have call predecessors, (1366), 1252 states have call successors, (1366) [2023-12-25 05:38:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7262 states to 7262 states and 12565 transitions. [2023-12-25 05:38:19,846 INFO L78 Accepts]: Start accepts. Automaton has 7262 states and 12565 transitions. Word has length 161 [2023-12-25 05:38:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:19,846 INFO L495 AbstractCegarLoop]: Abstraction has 7262 states and 12565 transitions. [2023-12-25 05:38:19,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 05:38:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 7262 states and 12565 transitions. [2023-12-25 05:38:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-25 05:38:19,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:19,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:19,895 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 05:38:20,080 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 05:38:20,082 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:20,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:20,082 INFO L85 PathProgramCache]: Analyzing trace with hash 63313779, now seen corresponding path program 1 times [2023-12-25 05:38:20,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:20,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523525850] [2023-12-25 05:38:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:20,083 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 05:38:20,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:20,084 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 05:38:20,126 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 05:38:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:20,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:20,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:20,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:20,339 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:20,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523525850] [2023-12-25 05:38:20,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523525850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:20,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:20,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:20,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644308578] [2023-12-25 05:38:20,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:20,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:20,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:20,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:20,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:20,341 INFO L87 Difference]: Start difference. First operand 7262 states and 12565 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:20,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:20,691 INFO L93 Difference]: Finished difference Result 18337 states and 31933 transitions. [2023-12-25 05:38:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:20,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 144 [2023-12-25 05:38:20,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:20,742 INFO L225 Difference]: With dead ends: 18337 [2023-12-25 05:38:20,743 INFO L226 Difference]: Without dead ends: 12213 [2023-12-25 05:38:20,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 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 05:38:20,766 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 120 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1106 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 05:38:20,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1106 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:20,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2023-12-25 05:38:21,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 12208. [2023-12-25 05:38:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12208 states, 10103 states have (on average 1.6631693556369396) internal successors, (16803), 10110 states have internal predecessors, (16803), 2075 states have call successors, (2075), 26 states have call predecessors, (2075), 29 states have return successors, (2266), 2073 states have call predecessors, (2266), 2074 states have call successors, (2266) [2023-12-25 05:38:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12208 states to 12208 states and 21144 transitions. [2023-12-25 05:38:21,334 INFO L78 Accepts]: Start accepts. Automaton has 12208 states and 21144 transitions. Word has length 144 [2023-12-25 05:38:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:21,334 INFO L495 AbstractCegarLoop]: Abstraction has 12208 states and 21144 transitions. [2023-12-25 05:38:21,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12208 states and 21144 transitions. [2023-12-25 05:38:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 05:38:21,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:21,370 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 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 05:38:21,377 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 05:38:21,575 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 05:38:21,576 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:21,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:21,580 INFO L85 PathProgramCache]: Analyzing trace with hash 974173795, now seen corresponding path program 1 times [2023-12-25 05:38:21,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:21,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640570202] [2023-12-25 05:38:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:21,581 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 05:38:21,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:21,582 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 05:38:21,608 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 05:38:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:21,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:21,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:21,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:21,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:21,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640570202] [2023-12-25 05:38:21,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640570202] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:21,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:21,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:21,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795490968] [2023-12-25 05:38:21,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:21,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:21,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:21,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:21,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:21,905 INFO L87 Difference]: Start difference. First operand 12208 states and 21144 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (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 05:38:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:22,623 INFO L93 Difference]: Finished difference Result 29198 states and 50520 transitions. [2023-12-25 05:38:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:22,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (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 163 [2023-12-25 05:38:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:22,688 INFO L225 Difference]: With dead ends: 29198 [2023-12-25 05:38:22,689 INFO L226 Difference]: Without dead ends: 19101 [2023-12-25 05:38:22,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 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 05:38:22,721 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 118 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:22,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1075 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:38:22,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19101 states. [2023-12-25 05:38:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19101 to 19096. [2023-12-25 05:38:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19096 states, 15788 states have (on average 1.639219660501647) internal successors, (25880), 15795 states have internal predecessors, (25880), 3278 states have call successors, (3278), 26 states have call predecessors, (3278), 29 states have return successors, (3613), 3276 states have call predecessors, (3613), 3277 states have call successors, (3613) [2023-12-25 05:38:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19096 states to 19096 states and 32771 transitions. [2023-12-25 05:38:23,692 INFO L78 Accepts]: Start accepts. Automaton has 19096 states and 32771 transitions. Word has length 163 [2023-12-25 05:38:23,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:23,692 INFO L495 AbstractCegarLoop]: Abstraction has 19096 states and 32771 transitions. [2023-12-25 05:38:23,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (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 05:38:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 19096 states and 32771 transitions. [2023-12-25 05:38:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-25 05:38:23,726 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:23,726 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:38:23,733 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 05:38:23,933 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 05:38:23,934 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:23,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:23,934 INFO L85 PathProgramCache]: Analyzing trace with hash -504668972, now seen corresponding path program 1 times [2023-12-25 05:38:23,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:23,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117710626] [2023-12-25 05:38:23,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:23,935 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 05:38:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:23,936 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 05:38:23,940 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 05:38:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:24,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:24,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-25 05:38:24,194 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:24,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:24,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117710626] [2023-12-25 05:38:24,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117710626] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:24,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:24,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:24,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426801218] [2023-12-25 05:38:24,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:24,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:24,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:24,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:24,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:24,196 INFO L87 Difference]: Start difference. First operand 19096 states and 32771 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:25,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:25,363 INFO L93 Difference]: Finished difference Result 50437 states and 86907 transitions. [2023-12-25 05:38:25,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:25,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 146 [2023-12-25 05:38:25,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:25,508 INFO L225 Difference]: With dead ends: 50437 [2023-12-25 05:38:25,509 INFO L226 Difference]: Without dead ends: 34093 [2023-12-25 05:38:25,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 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 05:38:25,552 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 116 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:25,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1103 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34093 states. [2023-12-25 05:38:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34093 to 34088. [2023-12-25 05:38:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34088 states, 28330 states have (on average 1.6362160254147546) internal successors, (46354), 28337 states have internal predecessors, (46354), 5728 states have call successors, (5728), 26 states have call predecessors, (5728), 29 states have return successors, (6337), 5726 states have call predecessors, (6337), 5727 states have call successors, (6337) [2023-12-25 05:38:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34088 states to 34088 states and 58419 transitions. [2023-12-25 05:38:27,502 INFO L78 Accepts]: Start accepts. Automaton has 34088 states and 58419 transitions. Word has length 146 [2023-12-25 05:38:27,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:27,503 INFO L495 AbstractCegarLoop]: Abstraction has 34088 states and 58419 transitions. [2023-12-25 05:38:27,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-25 05:38:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 34088 states and 58419 transitions. [2023-12-25 05:38:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-25 05:38:27,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:27,557 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 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 05:38:27,578 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 05:38:27,764 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 05:38:27,764 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:27,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:27,764 INFO L85 PathProgramCache]: Analyzing trace with hash -396169379, now seen corresponding path program 1 times [2023-12-25 05:38:27,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:27,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692304244] [2023-12-25 05:38:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:27,765 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 05:38:27,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:27,780 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 05:38:27,826 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 (21)] Waiting until timeout for monitored process [2023-12-25 05:38:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:28,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:28,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:28,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:28,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:28,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692304244] [2023-12-25 05:38:28,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692304244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:28,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:28,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:28,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379988817] [2023-12-25 05:38:28,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:28,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:28,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:28,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:28,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:28,061 INFO L87 Difference]: Start difference. First operand 34088 states and 58419 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (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 05:38:30,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:30,149 INFO L93 Difference]: Finished difference Result 92924 states and 159784 transitions. [2023-12-25 05:38:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:30,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (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 165 [2023-12-25 05:38:30,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:30,524 INFO L225 Difference]: With dead ends: 92924 [2023-12-25 05:38:30,524 INFO L226 Difference]: Without dead ends: 62503 [2023-12-25 05:38:30,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 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 05:38:30,590 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 114 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1106 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 05:38:30,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1106 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62503 states. [2023-12-25 05:38:33,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62503 to 62498. [2023-12-25 05:38:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62498 states, 52227 states have (on average 1.632259176288127) internal successors, (85248), 52234 states have internal predecessors, (85248), 10241 states have call successors, (10241), 26 states have call predecessors, (10241), 29 states have return successors, (11382), 10239 states have call predecessors, (11382), 10240 states have call successors, (11382) [2023-12-25 05:38:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62498 states to 62498 states and 106871 transitions. [2023-12-25 05:38:33,613 INFO L78 Accepts]: Start accepts. Automaton has 62498 states and 106871 transitions. Word has length 165 [2023-12-25 05:38:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:33,614 INFO L495 AbstractCegarLoop]: Abstraction has 62498 states and 106871 transitions. [2023-12-25 05:38:33,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (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 05:38:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 62498 states and 106871 transitions. [2023-12-25 05:38:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-25 05:38:33,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:33,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 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 05:38:33,700 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 (21)] Ended with exit code 0 [2023-12-25 05:38:33,888 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 05:38:33,889 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:33,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:33,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1334197162, now seen corresponding path program 1 times [2023-12-25 05:38:33,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:33,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223597710] [2023-12-25 05:38:33,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:33,890 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 05:38:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:33,906 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 05:38:33,967 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 05:38:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:34,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:38:34,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-25 05:38:34,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:34,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:34,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223597710] [2023-12-25 05:38:34,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223597710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:34,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:34,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:38:34,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39203460] [2023-12-25 05:38:34,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:34,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:38:34,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:34,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:38:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:38:34,195 INFO L87 Difference]: Start difference. First operand 62498 states and 106871 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 05:38:37,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:37,719 INFO L93 Difference]: Finished difference Result 117047 states and 200596 transitions. [2023-12-25 05:38:37,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:38:37,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 166 [2023-12-25 05:38:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:38,232 INFO L225 Difference]: With dead ends: 117047 [2023-12-25 05:38:38,232 INFO L226 Difference]: Without dead ends: 116866 [2023-12-25 05:38:38,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 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 05:38:38,282 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 112 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:38,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1103 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:38:38,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116866 states. [2023-12-25 05:38:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116866 to 116861. [2023-12-25 05:38:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116861 states, 98222 states have (on average 1.6272220072896093) internal successors, (159829), 98229 states have internal predecessors, (159829), 18609 states have call successors, (18609), 26 states have call predecessors, (18609), 29 states have return successors, (20796), 18607 states have call predecessors, (20796), 18608 states have call successors, (20796) [2023-12-25 05:38:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116861 states to 116861 states and 199234 transitions. [2023-12-25 05:38:43,797 INFO L78 Accepts]: Start accepts. Automaton has 116861 states and 199234 transitions. Word has length 166 [2023-12-25 05:38:43,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:38:43,798 INFO L495 AbstractCegarLoop]: Abstraction has 116861 states and 199234 transitions. [2023-12-25 05:38:43,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 05:38:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 116861 states and 199234 transitions. [2023-12-25 05:38:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-25 05:38:43,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:38:43,911 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 05:38:43,919 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 05:38:44,120 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 05:38:44,120 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:38:44,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:38:44,121 INFO L85 PathProgramCache]: Analyzing trace with hash -856559428, now seen corresponding path program 1 times [2023-12-25 05:38:44,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:38:44,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458010530] [2023-12-25 05:38:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:38:44,121 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 05:38:44,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:38:44,122 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 05:38:44,155 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 05:38:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:38:44,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 05:38:44,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:38:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-25 05:38:44,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:38:44,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:38:44,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458010530] [2023-12-25 05:38:44,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458010530] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:38:44,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:38:44,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:38:44,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125388002] [2023-12-25 05:38:44,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:38:44,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 05:38:44,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:38:44,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 05:38:44,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:38:44,711 INFO L87 Difference]: Start difference. First operand 116861 states and 199234 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 05:38:51,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:38:51,724 INFO L93 Difference]: Finished difference Result 224705 states and 384705 transitions. [2023-12-25 05:38:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 05:38:51,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2023-12-25 05:38:51,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:38:52,808 INFO L225 Difference]: With dead ends: 224705 [2023-12-25 05:38:52,809 INFO L226 Difference]: Without dead ends: 224531 [2023-12-25 05:38:52,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 05:38:52,905 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 498 mSDsluCounter, 2173 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 05:38:52,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 2784 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 05:38:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224531 states. [2023-12-25 05:39:02,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224531 to 224521. [2023-12-25 05:39:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224521 states, 188747 states have (on average 1.6306113474651254) internal successors, (307773), 188702 states have internal predecessors, (307773), 35720 states have call successors, (35720), 49 states have call predecessors, (35720), 53 states have return successors, (38999), 35773 states have call predecessors, (38999), 35718 states have call successors, (38999) [2023-12-25 05:39:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224521 states to 224521 states and 382492 transitions. [2023-12-25 05:39:03,932 INFO L78 Accepts]: Start accepts. Automaton has 224521 states and 382492 transitions. Word has length 167 [2023-12-25 05:39:03,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:39:03,932 INFO L495 AbstractCegarLoop]: Abstraction has 224521 states and 382492 transitions. [2023-12-25 05:39:03,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-25 05:39:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 224521 states and 382492 transitions. [2023-12-25 05:39:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-25 05:39:04,432 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:39:04,433 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 05:39:04,439 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 05:39:04,639 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 05:39:04,639 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:39:04,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:39:04,640 INFO L85 PathProgramCache]: Analyzing trace with hash -272063414, now seen corresponding path program 1 times [2023-12-25 05:39:04,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:39:04,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113429448] [2023-12-25 05:39:04,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:39:04,645 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 05:39:04,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:39:04,646 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 05:39:04,678 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 05:39:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:39:04,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:39:04,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:39:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-25 05:39:04,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:39:04,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:39:04,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113429448] [2023-12-25 05:39:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113429448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:39:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:39:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 05:39:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607042019] [2023-12-25 05:39:04,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:39:04,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 05:39:04,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:39:04,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 05:39:04,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-25 05:39:04,981 INFO L87 Difference]: Start difference. First operand 224521 states and 382492 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-25 05:39:12,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:39:12,593 INFO L93 Difference]: Finished difference Result 224899 states and 383046 transitions. [2023-12-25 05:39:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 05:39:12,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 168 [2023-12-25 05:39:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:39:13,979 INFO L225 Difference]: With dead ends: 224899 [2023-12-25 05:39:13,979 INFO L226 Difference]: Without dead ends: 224545 [2023-12-25 05:39:14,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-12-25 05:39:14,076 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 551 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 3632 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 05:39:14,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 3632 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 05:39:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224545 states. [2023-12-25 05:39:24,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224545 to 224545. [2023-12-25 05:39:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224545 states, 188758 states have (on average 1.63057989595143) internal successors, (307785), 188716 states have internal predecessors, (307785), 35731 states have call successors, (35731), 51 states have call predecessors, (35731), 55 states have return successors, (39008), 35781 states have call predecessors, (39008), 35725 states have call successors, (39008) [2023-12-25 05:39:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224545 states to 224545 states and 382524 transitions. [2023-12-25 05:39:25,810 INFO L78 Accepts]: Start accepts. Automaton has 224545 states and 382524 transitions. Word has length 168 [2023-12-25 05:39:25,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:39:25,810 INFO L495 AbstractCegarLoop]: Abstraction has 224545 states and 382524 transitions. [2023-12-25 05:39:25,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-25 05:39:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 224545 states and 382524 transitions. [2023-12-25 05:39:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-25 05:39:25,945 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:39:25,945 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:39:25,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2023-12-25 05:39:26,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:39:26,153 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:39:26,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:39:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash -167770630, now seen corresponding path program 1 times [2023-12-25 05:39:26,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:39:26,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989795458] [2023-12-25 05:39:26,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:39:26,154 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 05:39:26,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:39:26,155 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:39:26,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 05:39:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:39:26,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-25 05:39:26,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:39:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-25 05:39:26,760 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:39:26,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:39:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989795458] [2023-12-25 05:39:26,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989795458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:39:26,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:39:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-25 05:39:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770628428] [2023-12-25 05:39:26,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:39:26,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-25 05:39:26,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:39:26,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-25 05:39:26,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-25 05:39:26,761 INFO L87 Difference]: Start difference. First operand 224545 states and 382524 transitions. Second operand has 12 states, 11 states have (on average 10.0) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15)