/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:36:01,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:36:01,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:36:01,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:36:01,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:36:01,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:36:01,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:36:01,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:36:01,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:36:01,187 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:36:01,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:36:01,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:36:01,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:36:01,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:36:01,190 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:36:01,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:36:01,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:36:01,190 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:36:01,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:36:01,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:36:01,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:36:01,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:36:01,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:36:01,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:36:01,193 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:36:01,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:36:01,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:36:01,193 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:36:01,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:36:01,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:36:01,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:36:01,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:36:01,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:36:01,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:36:01,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:36:01,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:36:01,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:36:01,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:36:01,196 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:36:01,196 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:36:01,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:36:01,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:36:01,200 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:36:01,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:36:01,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:36:01,201 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:36:01,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:36:01,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:36:01,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:36:01,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:36:01,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:36:01,407 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:36:01,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2023-12-16 17:36:02,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:36:02,670 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:36:02,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2023-12-16 17:36:02,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb90aeadb/7ab8f9ed785c4c09b0d2873b6b733ea0/FLAG80ca30c93 [2023-12-16 17:36:02,703 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb90aeadb/7ab8f9ed785c4c09b0d2873b6b733ea0 [2023-12-16 17:36:02,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:36:02,706 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:36:02,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:36:02,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:36:02,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:36:02,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:36:02" (1/1) ... [2023-12-16 17:36:02,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:02, skipping insertion in model container [2023-12-16 17:36:02,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:36:02" (1/1) ... [2023-12-16 17:36:02,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:36:02,974 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c[19452,19465] [2023-12-16 17:36:03,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:36:03,104 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:36:03,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:36:03,156 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c[19452,19465] [2023-12-16 17:36:03,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:36:03,236 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:36:03,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2023-12-16 17:36:03,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [414] [2023-12-16 17:36:03,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [432] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [844] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [853] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1933] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1987] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2216] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2321] [2023-12-16 17:36:03,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2618] [2023-12-16 17:36:03,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2925] [2023-12-16 17:36:03,294 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c[19452,19465] [2023-12-16 17:36:03,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:36:03,353 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:36:03,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03 WrapperNode [2023-12-16 17:36:03,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:36:03,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:36:03,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:36:03,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:36:03,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,445 INFO L138 Inliner]: procedures = 131, calls = 200, calls flagged for inlining = 56, calls inlined = 49, statements flattened = 911 [2023-12-16 17:36:03,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:36:03,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:36:03,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:36:03,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:36:03,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,494 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]. [2023-12-16 17:36:03,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:36:03,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:36:03,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:36:03,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:36:03,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (1/1) ... [2023-12-16 17:36:03,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:36:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:36:03,577 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) [2023-12-16 17:36:03,600 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 [2023-12-16 17:36:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 17:36:03,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 17:36:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 17:36:03,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 17:36:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 17:36:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 17:36:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 17:36:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 17:36:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 17:36:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 17:36:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 17:36:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 17:36:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 17:36:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 17:36:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 17:36:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 17:36:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 17:36:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 17:36:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 17:36:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 17:36:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 17:36:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 17:36:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 17:36:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 17:36:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 17:36:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 17:36:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:36:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 17:36:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 17:36:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 17:36:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 17:36:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 17:36:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 17:36:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 17:36:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 17:36:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 17:36:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:36:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:36:03,786 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:36:03,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:36:04,471 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:36:04,536 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:36:04,537 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 17:36:04,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:36:04 BoogieIcfgContainer [2023-12-16 17:36:04,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:36:04,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:36:04,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:36:04,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:36:04,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:36:02" (1/3) ... [2023-12-16 17:36:04,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411eb312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:36:04, skipping insertion in model container [2023-12-16 17:36:04,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:03" (2/3) ... [2023-12-16 17:36:04,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411eb312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:36:04, skipping insertion in model container [2023-12-16 17:36:04,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:36:04" (3/3) ... [2023-12-16 17:36:04,544 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2023-12-16 17:36:04,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:36:04,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:36:04,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:36:04,614 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;@697f5a93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:36:04,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:36:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 339 states, 261 states have (on average 1.6360153256704981) internal successors, (427), 266 states have internal predecessors, (427), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-16 17:36:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 17:36:04,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:04,636 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:04,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:04,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:04,640 INFO L85 PathProgramCache]: Analyzing trace with hash -701032600, now seen corresponding path program 1 times [2023-12-16 17:36:04,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:04,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656417065] [2023-12-16 17:36:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:04,651 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 [2023-12-16 17:36:04,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:04,656 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) [2023-12-16 17:36:04,665 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 [2023-12-16 17:36:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:04,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:36:04,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 17:36:04,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:04,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656417065] [2023-12-16 17:36:04,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656417065] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:04,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:04,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:36:04,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076990289] [2023-12-16 17:36:04,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:04,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:36:04,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:05,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:36:05,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:36:05,014 INFO L87 Difference]: Start difference. First operand has 339 states, 261 states have (on average 1.6360153256704981) internal successors, (427), 266 states have internal predecessors, (427), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:05,129 INFO L93 Difference]: Finished difference Result 494 states and 769 transitions. [2023-12-16 17:36:05,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:36:05,133 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2023-12-16 17:36:05,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:05,150 INFO L225 Difference]: With dead ends: 494 [2023-12-16 17:36:05,150 INFO L226 Difference]: Without dead ends: 336 [2023-12-16 17:36:05,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:36:05,161 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:05,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:05,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-12-16 17:36:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2023-12-16 17:36:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 259 states have (on average 1.6216216216216217) internal successors, (420), 263 states have internal predecessors, (420), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-12-16 17:36:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 527 transitions. [2023-12-16 17:36:05,229 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 527 transitions. Word has length 92 [2023-12-16 17:36:05,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:05,230 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 527 transitions. [2023-12-16 17:36:05,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 527 transitions. [2023-12-16 17:36:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 17:36:05,241 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:05,241 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:05,251 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 (2)] Ended with exit code 0 [2023-12-16 17:36:05,451 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 [2023-12-16 17:36:05,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:05,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:05,453 INFO L85 PathProgramCache]: Analyzing trace with hash -937617512, now seen corresponding path program 1 times [2023-12-16 17:36:05,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:05,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874976538] [2023-12-16 17:36:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:05,454 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 [2023-12-16 17:36:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:05,455 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) [2023-12-16 17:36:05,458 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 [2023-12-16 17:36:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:05,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:36:05,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-16 17:36:05,739 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:05,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874976538] [2023-12-16 17:36:05,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874976538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:05,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:05,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:36:05,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198628165] [2023-12-16 17:36:05,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:05,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:36:05,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:05,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:36:05,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:05,746 INFO L87 Difference]: Start difference. First operand 336 states and 527 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:05,865 INFO L93 Difference]: Finished difference Result 667 states and 1048 transitions. [2023-12-16 17:36:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:36:05,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2023-12-16 17:36:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:05,868 INFO L225 Difference]: With dead ends: 667 [2023-12-16 17:36:05,868 INFO L226 Difference]: Without dead ends: 338 [2023-12-16 17:36:05,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:05,870 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 8 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:05,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2009 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:05,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-12-16 17:36:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2023-12-16 17:36:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 260 states have (on average 1.6192307692307693) internal successors, (421), 265 states have internal predecessors, (421), 54 states have call successors, (54), 22 states have call predecessors, (54), 23 states have return successors, (55), 52 states have call predecessors, (55), 53 states have call successors, (55) [2023-12-16 17:36:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 530 transitions. [2023-12-16 17:36:05,894 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 530 transitions. Word has length 93 [2023-12-16 17:36:05,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:05,894 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 530 transitions. [2023-12-16 17:36:05,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 530 transitions. [2023-12-16 17:36:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-16 17:36:05,896 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:05,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:05,905 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 [2023-12-16 17:36:06,105 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 [2023-12-16 17:36:06,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:06,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash -699191246, now seen corresponding path program 1 times [2023-12-16 17:36:06,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499371907] [2023-12-16 17:36:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:06,107 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 [2023-12-16 17:36:06,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:06,108 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) [2023-12-16 17:36:06,110 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 [2023-12-16 17:36:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:06,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:36:06,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-16 17:36:06,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:06,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:06,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499371907] [2023-12-16 17:36:06,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499371907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:06,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:06,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:36:06,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343160518] [2023-12-16 17:36:06,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:06,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:36:06,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:06,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:36:06,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:06,370 INFO L87 Difference]: Start difference. First operand 338 states and 530 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:06,482 INFO L93 Difference]: Finished difference Result 669 states and 1052 transitions. [2023-12-16 17:36:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:36:06,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 94 [2023-12-16 17:36:06,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:06,485 INFO L225 Difference]: With dead ends: 669 [2023-12-16 17:36:06,485 INFO L226 Difference]: Without dead ends: 340 [2023-12-16 17:36:06,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:06,486 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 8 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1995 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 [2023-12-16 17:36:06,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1995 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:06,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-12-16 17:36:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-12-16 17:36:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 261 states have (on average 1.6168582375478928) internal successors, (422), 267 states have internal predecessors, (422), 54 states have call successors, (54), 22 states have call predecessors, (54), 24 states have return successors, (59), 52 states have call predecessors, (59), 53 states have call successors, (59) [2023-12-16 17:36:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 535 transitions. [2023-12-16 17:36:06,497 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 535 transitions. Word has length 94 [2023-12-16 17:36:06,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:06,497 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 535 transitions. [2023-12-16 17:36:06,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 535 transitions. [2023-12-16 17:36:06,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-16 17:36:06,499 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:06,499 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:06,506 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 (4)] Ended with exit code 0 [2023-12-16 17:36:06,706 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 [2023-12-16 17:36:06,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:06,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:06,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1552144440, now seen corresponding path program 1 times [2023-12-16 17:36:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:06,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105975771] [2023-12-16 17:36:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:06,708 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 [2023-12-16 17:36:06,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:06,709 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) [2023-12-16 17:36:06,712 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 [2023-12-16 17:36:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:06,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:36:06,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-16 17:36:06,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:06,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:06,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105975771] [2023-12-16 17:36:06,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105975771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:06,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:06,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:36:06,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015264753] [2023-12-16 17:36:06,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:06,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:36:06,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:06,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:36:06,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:06,964 INFO L87 Difference]: Start difference. First operand 340 states and 535 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:07,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:07,057 INFO L93 Difference]: Finished difference Result 661 states and 1042 transitions. [2023-12-16 17:36:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:36:07,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 95 [2023-12-16 17:36:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:07,059 INFO L225 Difference]: With dead ends: 661 [2023-12-16 17:36:07,060 INFO L226 Difference]: Without dead ends: 340 [2023-12-16 17:36:07,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:07,066 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 8 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:07,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2009 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-12-16 17:36:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-12-16 17:36:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 261 states have (on average 1.6168582375478928) internal successors, (422), 267 states have internal predecessors, (422), 54 states have call successors, (54), 22 states have call predecessors, (54), 24 states have return successors, (58), 52 states have call predecessors, (58), 53 states have call successors, (58) [2023-12-16 17:36:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 534 transitions. [2023-12-16 17:36:07,083 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 534 transitions. Word has length 95 [2023-12-16 17:36:07,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:07,083 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 534 transitions. [2023-12-16 17:36:07,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 534 transitions. [2023-12-16 17:36:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 17:36:07,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:07,086 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:07,093 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 [2023-12-16 17:36:07,295 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 [2023-12-16 17:36:07,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:07,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 602743536, now seen corresponding path program 2 times [2023-12-16 17:36:07,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:07,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282618239] [2023-12-16 17:36:07,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:36:07,298 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 [2023-12-16 17:36:07,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:07,299 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) [2023-12-16 17:36:07,303 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 [2023-12-16 17:36:07,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-16 17:36:07,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:36:07,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:07,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-16 17:36:07,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:07,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:07,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282618239] [2023-12-16 17:36:07,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282618239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:07,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:07,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:07,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948161889] [2023-12-16 17:36:07,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:07,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:07,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:07,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:07,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:07,466 INFO L87 Difference]: Start difference. First operand 340 states and 534 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:07,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:07,505 INFO L93 Difference]: Finished difference Result 494 states and 760 transitions. [2023-12-16 17:36:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:07,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2023-12-16 17:36:07,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:07,507 INFO L225 Difference]: With dead ends: 494 [2023-12-16 17:36:07,507 INFO L226 Difference]: Without dead ends: 342 [2023-12-16 17:36:07,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:07,508 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 0 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:07,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1027 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:07,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-16 17:36:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2023-12-16 17:36:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 263 states have (on average 1.6121673003802282) internal successors, (424), 269 states have internal predecessors, (424), 54 states have call successors, (54), 22 states have call predecessors, (54), 24 states have return successors, (58), 52 states have call predecessors, (58), 53 states have call successors, (58) [2023-12-16 17:36:07,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 536 transitions. [2023-12-16 17:36:07,517 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 536 transitions. Word has length 96 [2023-12-16 17:36:07,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:07,518 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 536 transitions. [2023-12-16 17:36:07,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 536 transitions. [2023-12-16 17:36:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-16 17:36:07,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:07,519 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:07,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-16 17:36:07,722 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 [2023-12-16 17:36:07,723 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:07,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:07,723 INFO L85 PathProgramCache]: Analyzing trace with hash 709722097, now seen corresponding path program 1 times [2023-12-16 17:36:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028910686] [2023-12-16 17:36:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:07,724 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 [2023-12-16 17:36:07,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:07,725 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) [2023-12-16 17:36:07,726 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 [2023-12-16 17:36:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:07,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:36:07,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-16 17:36:07,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:07,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:07,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028910686] [2023-12-16 17:36:07,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028910686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:07,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:07,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:36:07,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715543236] [2023-12-16 17:36:07,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:07,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:36:07,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:07,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:36:07,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:07,950 INFO L87 Difference]: Start difference. First operand 342 states and 536 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:08,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:08,036 INFO L93 Difference]: Finished difference Result 667 states and 1049 transitions. [2023-12-16 17:36:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:36:08,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2023-12-16 17:36:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:08,038 INFO L225 Difference]: With dead ends: 667 [2023-12-16 17:36:08,038 INFO L226 Difference]: Without dead ends: 344 [2023-12-16 17:36:08,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:08,040 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 6 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:08,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2011 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-16 17:36:08,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2023-12-16 17:36:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.6098484848484849) internal successors, (425), 271 states have internal predecessors, (425), 54 states have call successors, (54), 22 states have call predecessors, (54), 25 states have return successors, (60), 52 states have call predecessors, (60), 53 states have call successors, (60) [2023-12-16 17:36:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 539 transitions. [2023-12-16 17:36:08,049 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 539 transitions. Word has length 103 [2023-12-16 17:36:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:08,049 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 539 transitions. [2023-12-16 17:36:08,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 539 transitions. [2023-12-16 17:36:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 17:36:08,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:08,051 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:08,062 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 [2023-12-16 17:36:08,256 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 [2023-12-16 17:36:08,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:08,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1567759108, now seen corresponding path program 1 times [2023-12-16 17:36:08,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:08,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455714686] [2023-12-16 17:36:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:08,260 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 [2023-12-16 17:36:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:08,261 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) [2023-12-16 17:36:08,261 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 [2023-12-16 17:36:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:08,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:36:08,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-16 17:36:08,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:08,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:08,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455714686] [2023-12-16 17:36:08,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455714686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:08,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:08,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:36:08,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216832554] [2023-12-16 17:36:08,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:08,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:36:08,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:08,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:36:08,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:08,484 INFO L87 Difference]: Start difference. First operand 344 states and 539 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:08,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:08,588 INFO L93 Difference]: Finished difference Result 665 states and 1044 transitions. [2023-12-16 17:36:08,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:36:08,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2023-12-16 17:36:08,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:08,590 INFO L225 Difference]: With dead ends: 665 [2023-12-16 17:36:08,590 INFO L226 Difference]: Without dead ends: 344 [2023-12-16 17:36:08,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:08,591 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 8 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:08,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1996 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-16 17:36:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2023-12-16 17:36:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.6098484848484849) internal successors, (425), 271 states have internal predecessors, (425), 54 states have call successors, (54), 22 states have call predecessors, (54), 25 states have return successors, (59), 52 states have call predecessors, (59), 53 states have call successors, (59) [2023-12-16 17:36:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 538 transitions. [2023-12-16 17:36:08,600 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 538 transitions. Word has length 104 [2023-12-16 17:36:08,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:08,600 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 538 transitions. [2023-12-16 17:36:08,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 538 transitions. [2023-12-16 17:36:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 17:36:08,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:08,601 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:08,610 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 [2023-12-16 17:36:08,805 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 [2023-12-16 17:36:08,806 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:08,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1629663654, now seen corresponding path program 2 times [2023-12-16 17:36:08,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:08,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598724251] [2023-12-16 17:36:08,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:36:08,807 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 [2023-12-16 17:36:08,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:08,808 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) [2023-12-16 17:36:08,809 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 [2023-12-16 17:36:09,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 17:36:09,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:36:09,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:36:09,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-16 17:36:09,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:09,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:09,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598724251] [2023-12-16 17:36:09,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598724251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:09,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:09,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:36:09,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400359691] [2023-12-16 17:36:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:09,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:36:09,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:09,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:36:09,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:09,051 INFO L87 Difference]: Start difference. First operand 344 states and 538 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:09,158 INFO L93 Difference]: Finished difference Result 667 states and 1049 transitions. [2023-12-16 17:36:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:36:09,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2023-12-16 17:36:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:09,162 INFO L225 Difference]: With dead ends: 667 [2023-12-16 17:36:09,162 INFO L226 Difference]: Without dead ends: 346 [2023-12-16 17:36:09,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:09,164 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 6 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1998 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 [2023-12-16 17:36:09,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1998 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-16 17:36:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2023-12-16 17:36:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 265 states have (on average 1.6075471698113208) internal successors, (426), 273 states have internal predecessors, (426), 54 states have call successors, (54), 22 states have call predecessors, (54), 26 states have return successors, (63), 52 states have call predecessors, (63), 53 states have call successors, (63) [2023-12-16 17:36:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 543 transitions. [2023-12-16 17:36:09,172 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 543 transitions. Word has length 105 [2023-12-16 17:36:09,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:09,173 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 543 transitions. [2023-12-16 17:36:09,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 543 transitions. [2023-12-16 17:36:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 17:36:09,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:09,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:09,179 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 [2023-12-16 17:36:09,379 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 [2023-12-16 17:36:09,382 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:09,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:09,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1647956385, now seen corresponding path program 1 times [2023-12-16 17:36:09,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:09,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708155867] [2023-12-16 17:36:09,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:09,383 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 [2023-12-16 17:36:09,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:09,384 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) [2023-12-16 17:36:09,387 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 [2023-12-16 17:36:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:09,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:09,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:09,586 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:09,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:09,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708155867] [2023-12-16 17:36:09,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708155867] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:09,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:09,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:09,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543135492] [2023-12-16 17:36:09,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:09,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:09,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:09,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:09,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:09,588 INFO L87 Difference]: Start difference. First operand 346 states and 543 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:09,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:09,630 INFO L93 Difference]: Finished difference Result 736 states and 1172 transitions. [2023-12-16 17:36:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:09,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2023-12-16 17:36:09,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:09,633 INFO L225 Difference]: With dead ends: 736 [2023-12-16 17:36:09,633 INFO L226 Difference]: Without dead ends: 416 [2023-12-16 17:36:09,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:09,634 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 129 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:09,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 991 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-12-16 17:36:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2023-12-16 17:36:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 316 states have (on average 1.6234177215189873) internal successors, (513), 324 states have internal predecessors, (513), 68 states have call successors, (68), 22 states have call predecessors, (68), 26 states have return successors, (79), 66 states have call predecessors, (79), 67 states have call successors, (79) [2023-12-16 17:36:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 660 transitions. [2023-12-16 17:36:09,645 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 660 transitions. Word has length 106 [2023-12-16 17:36:09,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:09,645 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 660 transitions. [2023-12-16 17:36:09,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 660 transitions. [2023-12-16 17:36:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-16 17:36:09,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:09,647 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:09,652 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 [2023-12-16 17:36:09,852 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 [2023-12-16 17:36:09,852 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:09,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash -124189067, now seen corresponding path program 1 times [2023-12-16 17:36:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:09,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710606343] [2023-12-16 17:36:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:09,853 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 [2023-12-16 17:36:09,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:09,854 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) [2023-12-16 17:36:09,889 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 [2023-12-16 17:36:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:10,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:36:10,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-16 17:36:10,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:10,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:10,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710606343] [2023-12-16 17:36:10,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710606343] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:10,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:10,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:36:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284697832] [2023-12-16 17:36:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:10,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:36:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:36:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:36:10,102 INFO L87 Difference]: Start difference. First operand 411 states and 660 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:10,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:10,192 INFO L93 Difference]: Finished difference Result 814 states and 1298 transitions. [2023-12-16 17:36:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:36:10,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-12-16 17:36:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:10,195 INFO L225 Difference]: With dead ends: 814 [2023-12-16 17:36:10,195 INFO L226 Difference]: Without dead ends: 427 [2023-12-16 17:36:10,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:36:10,198 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 488 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:10,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1045 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:36:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-12-16 17:36:10,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 419. [2023-12-16 17:36:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 323 states have (on average 1.6068111455108358) internal successors, (519), 330 states have internal predecessors, (519), 68 states have call successors, (68), 24 states have call predecessors, (68), 27 states have return successors, (75), 66 states have call predecessors, (75), 67 states have call successors, (75) [2023-12-16 17:36:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 662 transitions. [2023-12-16 17:36:10,220 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 662 transitions. Word has length 107 [2023-12-16 17:36:10,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:10,221 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 662 transitions. [2023-12-16 17:36:10,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:36:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 662 transitions. [2023-12-16 17:36:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 17:36:10,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:10,223 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:10,234 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 [2023-12-16 17:36:10,429 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 [2023-12-16 17:36:10,429 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:10,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:10,430 INFO L85 PathProgramCache]: Analyzing trace with hash 888675976, now seen corresponding path program 1 times [2023-12-16 17:36:10,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:10,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912722563] [2023-12-16 17:36:10,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:10,431 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 [2023-12-16 17:36:10,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:10,432 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) [2023-12-16 17:36:10,456 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 [2023-12-16 17:36:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:10,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 17:36:10,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:10,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:36:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:10,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:10,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912722563] [2023-12-16 17:36:10,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912722563] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:36:10,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:36:10,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-16 17:36:10,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14139424] [2023-12-16 17:36:10,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:36:10,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:36:10,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:10,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:36:10,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:36:10,707 INFO L87 Difference]: Start difference. First operand 419 states and 662 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:36:10,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:10,975 INFO L93 Difference]: Finished difference Result 986 states and 1617 transitions. [2023-12-16 17:36:10,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:36:10,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 108 [2023-12-16 17:36:10,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:10,980 INFO L225 Difference]: With dead ends: 986 [2023-12-16 17:36:10,980 INFO L226 Difference]: Without dead ends: 834 [2023-12-16 17:36:10,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:36:10,982 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 447 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:10,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2305 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:36:10,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2023-12-16 17:36:11,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 819. [2023-12-16 17:36:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 644 states have (on average 1.6444099378881987) internal successors, (1059), 651 states have internal predecessors, (1059), 147 states have call successors, (147), 24 states have call predecessors, (147), 27 states have return successors, (164), 145 states have call predecessors, (164), 146 states have call successors, (164) [2023-12-16 17:36:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1370 transitions. [2023-12-16 17:36:11,020 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1370 transitions. Word has length 108 [2023-12-16 17:36:11,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:11,021 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1370 transitions. [2023-12-16 17:36:11,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:36:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1370 transitions. [2023-12-16 17:36:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 17:36:11,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:11,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:11,031 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 [2023-12-16 17:36:11,229 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 [2023-12-16 17:36:11,230 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:11,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:11,230 INFO L85 PathProgramCache]: Analyzing trace with hash 236215013, now seen corresponding path program 1 times [2023-12-16 17:36:11,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070635101] [2023-12-16 17:36:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:11,231 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 [2023-12-16 17:36:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:11,232 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) [2023-12-16 17:36:11,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-16 17:36:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:11,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:11,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:11,434 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:11,434 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:11,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070635101] [2023-12-16 17:36:11,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070635101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:11,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:11,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:11,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567817325] [2023-12-16 17:36:11,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:11,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:11,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:11,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:11,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:11,436 INFO L87 Difference]: Start difference. First operand 819 states and 1370 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:11,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:11,503 INFO L93 Difference]: Finished difference Result 1949 states and 3318 transitions. [2023-12-16 17:36:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:11,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2023-12-16 17:36:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:11,508 INFO L225 Difference]: With dead ends: 1949 [2023-12-16 17:36:11,508 INFO L226 Difference]: Without dead ends: 1206 [2023-12-16 17:36:11,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:11,511 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 123 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:11,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1023 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2023-12-16 17:36:11,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1201. [2023-12-16 17:36:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 947 states have (on average 1.658922914466737) internal successors, (1571), 954 states have internal predecessors, (1571), 226 states have call successors, (226), 24 states have call predecessors, (226), 27 states have return successors, (253), 224 states have call predecessors, (253), 225 states have call successors, (253) [2023-12-16 17:36:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 2050 transitions. [2023-12-16 17:36:11,554 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 2050 transitions. Word has length 111 [2023-12-16 17:36:11,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:11,554 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 2050 transitions. [2023-12-16 17:36:11,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2050 transitions. [2023-12-16 17:36:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 17:36:11,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:11,559 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:11,564 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 [2023-12-16 17:36:11,764 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 [2023-12-16 17:36:11,764 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:11,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:11,765 INFO L85 PathProgramCache]: Analyzing trace with hash 391235410, now seen corresponding path program 1 times [2023-12-16 17:36:11,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:11,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635396773] [2023-12-16 17:36:11,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:11,765 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 [2023-12-16 17:36:11,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:11,766 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) [2023-12-16 17:36:11,768 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 [2023-12-16 17:36:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:11,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:11,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:11,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:11,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:11,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635396773] [2023-12-16 17:36:11,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635396773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:11,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:11,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:11,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139906663] [2023-12-16 17:36:11,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:11,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:11,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:11,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:11,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:11,979 INFO L87 Difference]: Start difference. First operand 1201 states and 2050 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:12,083 INFO L93 Difference]: Finished difference Result 2895 states and 4973 transitions. [2023-12-16 17:36:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:12,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-12-16 17:36:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:12,091 INFO L225 Difference]: With dead ends: 2895 [2023-12-16 17:36:12,091 INFO L226 Difference]: Without dead ends: 1820 [2023-12-16 17:36:12,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:12,095 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 121 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:12,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1020 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2023-12-16 17:36:12,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1815. [2023-12-16 17:36:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1442 states have (on average 1.6615811373092926) internal successors, (2396), 1449 states have internal predecessors, (2396), 345 states have call successors, (345), 24 states have call predecessors, (345), 27 states have return successors, (372), 343 states have call predecessors, (372), 344 states have call successors, (372) [2023-12-16 17:36:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 3113 transitions. [2023-12-16 17:36:12,162 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 3113 transitions. Word has length 112 [2023-12-16 17:36:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:12,162 INFO L495 AbstractCegarLoop]: Abstraction has 1815 states and 3113 transitions. [2023-12-16 17:36:12,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 3113 transitions. [2023-12-16 17:36:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 17:36:12,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:12,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:12,188 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 [2023-12-16 17:36:12,376 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 [2023-12-16 17:36:12,376 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:12,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:12,377 INFO L85 PathProgramCache]: Analyzing trace with hash -191913005, now seen corresponding path program 1 times [2023-12-16 17:36:12,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:12,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133382494] [2023-12-16 17:36:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:12,378 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 [2023-12-16 17:36:12,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:12,379 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) [2023-12-16 17:36:12,383 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 [2023-12-16 17:36:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:12,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:12,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:12,582 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:12,582 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:12,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133382494] [2023-12-16 17:36:12,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133382494] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:12,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:12,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:12,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846205371] [2023-12-16 17:36:12,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:12,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:12,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:12,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:12,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:12,584 INFO L87 Difference]: Start difference. First operand 1815 states and 3113 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:12,698 INFO L93 Difference]: Finished difference Result 4324 states and 7477 transitions. [2023-12-16 17:36:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:12,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-12-16 17:36:12,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:12,711 INFO L225 Difference]: With dead ends: 4324 [2023-12-16 17:36:12,711 INFO L226 Difference]: Without dead ends: 2761 [2023-12-16 17:36:12,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:12,717 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 119 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:12,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1010 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2023-12-16 17:36:12,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2756. [2023-12-16 17:36:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2221 states have (on average 1.664565511031067) internal successors, (3697), 2228 states have internal predecessors, (3697), 507 states have call successors, (507), 24 states have call predecessors, (507), 27 states have return successors, (550), 505 states have call predecessors, (550), 506 states have call successors, (550) [2023-12-16 17:36:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 4754 transitions. [2023-12-16 17:36:12,838 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 4754 transitions. Word has length 113 [2023-12-16 17:36:12,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:12,838 INFO L495 AbstractCegarLoop]: Abstraction has 2756 states and 4754 transitions. [2023-12-16 17:36:12,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 4754 transitions. [2023-12-16 17:36:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-16 17:36:12,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:12,848 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:12,853 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 [2023-12-16 17:36:13,053 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 [2023-12-16 17:36:13,053 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:13,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:13,054 INFO L85 PathProgramCache]: Analyzing trace with hash 344732179, now seen corresponding path program 1 times [2023-12-16 17:36:13,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:13,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556284182] [2023-12-16 17:36:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:13,054 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 [2023-12-16 17:36:13,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:13,055 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) [2023-12-16 17:36:13,059 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 [2023-12-16 17:36:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:13,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:13,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:13,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:13,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:13,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556284182] [2023-12-16 17:36:13,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556284182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:13,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:13,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:13,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590330605] [2023-12-16 17:36:13,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:13,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:13,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:13,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:13,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:13,258 INFO L87 Difference]: Start difference. First operand 2756 states and 4754 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:13,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:13,445 INFO L93 Difference]: Finished difference Result 6578 states and 11434 transitions. [2023-12-16 17:36:13,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:13,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-12-16 17:36:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:13,464 INFO L225 Difference]: With dead ends: 6578 [2023-12-16 17:36:13,465 INFO L226 Difference]: Without dead ends: 4280 [2023-12-16 17:36:13,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:13,472 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 117 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:13,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1010 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:13,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4280 states. [2023-12-16 17:36:13,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4280 to 4275. [2023-12-16 17:36:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 3495 states have (on average 1.6669527896995708) internal successors, (5826), 3502 states have internal predecessors, (5826), 752 states have call successors, (752), 24 states have call predecessors, (752), 27 states have return successors, (821), 750 states have call predecessors, (821), 751 states have call successors, (821) [2023-12-16 17:36:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 7399 transitions. [2023-12-16 17:36:13,629 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 7399 transitions. Word has length 114 [2023-12-16 17:36:13,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:13,630 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 7399 transitions. [2023-12-16 17:36:13,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 7399 transitions. [2023-12-16 17:36:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-16 17:36:13,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:13,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:13,647 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 [2023-12-16 17:36:13,845 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 [2023-12-16 17:36:13,845 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:13,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:13,846 INFO L85 PathProgramCache]: Analyzing trace with hash 381126639, now seen corresponding path program 1 times [2023-12-16 17:36:13,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:13,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743595244] [2023-12-16 17:36:13,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:13,846 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 [2023-12-16 17:36:13,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:13,847 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) [2023-12-16 17:36:13,848 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 [2023-12-16 17:36:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:14,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:14,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:14,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:14,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:14,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743595244] [2023-12-16 17:36:14,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743595244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:14,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:14,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:14,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676415018] [2023-12-16 17:36:14,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:14,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:14,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:14,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:14,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:14,071 INFO L87 Difference]: Start difference. First operand 4275 states and 7399 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:14,306 INFO L93 Difference]: Finished difference Result 10600 states and 18452 transitions. [2023-12-16 17:36:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:14,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2023-12-16 17:36:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:14,338 INFO L225 Difference]: With dead ends: 10600 [2023-12-16 17:36:14,339 INFO L226 Difference]: Without dead ends: 7018 [2023-12-16 17:36:14,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:14,354 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 115 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:14,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1022 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:14,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7018 states. [2023-12-16 17:36:14,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7018 to 7013. [2023-12-16 17:36:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7013 states, 5740 states have (on average 1.6613240418118467) internal successors, (9536), 5747 states have internal predecessors, (9536), 1245 states have call successors, (1245), 24 states have call predecessors, (1245), 27 states have return successors, (1358), 1243 states have call predecessors, (1358), 1244 states have call successors, (1358) [2023-12-16 17:36:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7013 states to 7013 states and 12139 transitions. [2023-12-16 17:36:14,640 INFO L78 Accepts]: Start accepts. Automaton has 7013 states and 12139 transitions. Word has length 115 [2023-12-16 17:36:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:14,640 INFO L495 AbstractCegarLoop]: Abstraction has 7013 states and 12139 transitions. [2023-12-16 17:36:14,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 7013 states and 12139 transitions. [2023-12-16 17:36:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 17:36:14,655 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:14,655 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:14,663 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 [2023-12-16 17:36:14,865 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 [2023-12-16 17:36:14,865 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:14,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2074157577, now seen corresponding path program 1 times [2023-12-16 17:36:14,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:14,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816037359] [2023-12-16 17:36:14,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:14,866 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 [2023-12-16 17:36:14,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:14,867 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) [2023-12-16 17:36:14,888 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 [2023-12-16 17:36:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:15,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:15,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:15,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:15,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:15,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816037359] [2023-12-16 17:36:15,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816037359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:15,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:15,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:15,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053900619] [2023-12-16 17:36:15,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:15,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:15,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:15,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:15,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:15,131 INFO L87 Difference]: Start difference. First operand 7013 states and 12139 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:15,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:15,461 INFO L93 Difference]: Finished difference Result 17747 states and 30920 transitions. [2023-12-16 17:36:15,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:15,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2023-12-16 17:36:15,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:15,510 INFO L225 Difference]: With dead ends: 17747 [2023-12-16 17:36:15,511 INFO L226 Difference]: Without dead ends: 11808 [2023-12-16 17:36:15,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:15,532 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 113 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:15,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1015 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11808 states. [2023-12-16 17:36:16,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11808 to 11803. [2023-12-16 17:36:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11803 states, 9708 states have (on average 1.6604861969509683) internal successors, (16120), 9715 states have internal predecessors, (16120), 2067 states have call successors, (2067), 24 states have call predecessors, (2067), 27 states have return successors, (2258), 2065 states have call predecessors, (2258), 2066 states have call successors, (2258) [2023-12-16 17:36:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11803 states to 11803 states and 20445 transitions. [2023-12-16 17:36:16,179 INFO L78 Accepts]: Start accepts. Automaton has 11803 states and 20445 transitions. Word has length 116 [2023-12-16 17:36:16,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:16,179 INFO L495 AbstractCegarLoop]: Abstraction has 11803 states and 20445 transitions. [2023-12-16 17:36:16,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 11803 states and 20445 transitions. [2023-12-16 17:36:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 17:36:16,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:16,199 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:16,204 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 (18)] Ended with exit code 0 [2023-12-16 17:36:16,403 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 [2023-12-16 17:36:16,404 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:16,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:16,404 INFO L85 PathProgramCache]: Analyzing trace with hash -906889263, now seen corresponding path program 1 times [2023-12-16 17:36:16,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:16,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30848866] [2023-12-16 17:36:16,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:16,405 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 [2023-12-16 17:36:16,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:16,406 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) [2023-12-16 17:36:16,410 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 [2023-12-16 17:36:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:16,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:16,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:16,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:16,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:16,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30848866] [2023-12-16 17:36:16,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30848866] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:16,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:16,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:16,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44142284] [2023-12-16 17:36:16,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:16,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:16,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:16,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:16,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:16,632 INFO L87 Difference]: Start difference. First operand 11803 states and 20445 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:17,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:17,239 INFO L93 Difference]: Finished difference Result 28188 states and 48772 transitions. [2023-12-16 17:36:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:17,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2023-12-16 17:36:17,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:17,303 INFO L225 Difference]: With dead ends: 28188 [2023-12-16 17:36:17,303 INFO L226 Difference]: Without dead ends: 18408 [2023-12-16 17:36:17,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:17,332 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 111 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:17,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 985 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:17,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18408 states. [2023-12-16 17:36:18,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18408 to 18403. [2023-12-16 17:36:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18403 states, 15105 states have (on average 1.634756703078451) internal successors, (24693), 15112 states have internal predecessors, (24693), 3270 states have call successors, (3270), 24 states have call predecessors, (3270), 27 states have return successors, (3605), 3268 states have call predecessors, (3605), 3269 states have call successors, (3605) [2023-12-16 17:36:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18403 states to 18403 states and 31568 transitions. [2023-12-16 17:36:18,205 INFO L78 Accepts]: Start accepts. Automaton has 18403 states and 31568 transitions. Word has length 117 [2023-12-16 17:36:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:18,205 INFO L495 AbstractCegarLoop]: Abstraction has 18403 states and 31568 transitions. [2023-12-16 17:36:18,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 18403 states and 31568 transitions. [2023-12-16 17:36:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 17:36:18,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:18,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:18,235 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 [2023-12-16 17:36:18,427 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 [2023-12-16 17:36:18,428 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:18,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:18,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1481731160, now seen corresponding path program 1 times [2023-12-16 17:36:18,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:18,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965473773] [2023-12-16 17:36:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:18,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:36:18,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:18,430 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) [2023-12-16 17:36:18,452 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 [2023-12-16 17:36:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:18,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:18,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:18,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:18,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:18,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965473773] [2023-12-16 17:36:18,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965473773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:18,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:18,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:18,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082201499] [2023-12-16 17:36:18,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:18,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:18,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:18,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:18,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:18,653 INFO L87 Difference]: Start difference. First operand 18403 states and 31568 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:19,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:19,617 INFO L93 Difference]: Finished difference Result 48619 states and 83745 transitions. [2023-12-16 17:36:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:19,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2023-12-16 17:36:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:19,730 INFO L225 Difference]: With dead ends: 48619 [2023-12-16 17:36:19,731 INFO L226 Difference]: Without dead ends: 32852 [2023-12-16 17:36:19,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:19,781 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 109 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:19,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1013 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:19,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32852 states. [2023-12-16 17:36:21,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32852 to 32847. [2023-12-16 17:36:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32847 states, 27099 states have (on average 1.6313517103952175) internal successors, (44208), 27106 states have internal predecessors, (44208), 5720 states have call successors, (5720), 24 states have call predecessors, (5720), 27 states have return successors, (6329), 5718 states have call predecessors, (6329), 5719 states have call successors, (6329) [2023-12-16 17:36:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32847 states to 32847 states and 56257 transitions. [2023-12-16 17:36:21,362 INFO L78 Accepts]: Start accepts. Automaton has 32847 states and 56257 transitions. Word has length 118 [2023-12-16 17:36:21,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:21,363 INFO L495 AbstractCegarLoop]: Abstraction has 32847 states and 56257 transitions. [2023-12-16 17:36:21,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:21,363 INFO L276 IsEmpty]: Start isEmpty. Operand 32847 states and 56257 transitions. [2023-12-16 17:36:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-16 17:36:21,382 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:21,382 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:21,390 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 [2023-12-16 17:36:21,587 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 [2023-12-16 17:36:21,588 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:21,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:21,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1553921845, now seen corresponding path program 1 times [2023-12-16 17:36:21,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:21,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789283146] [2023-12-16 17:36:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:21,589 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 [2023-12-16 17:36:21,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:21,590 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) [2023-12-16 17:36:21,624 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 [2023-12-16 17:36:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:21,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:21,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:21,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:21,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:21,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789283146] [2023-12-16 17:36:21,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789283146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:21,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:21,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:21,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119518226] [2023-12-16 17:36:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:21,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:21,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:21,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:21,803 INFO L87 Difference]: Start difference. First operand 32847 states and 56257 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:23,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:23,610 INFO L93 Difference]: Finished difference Result 89526 states and 153857 transitions. [2023-12-16 17:36:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:23,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2023-12-16 17:36:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:23,873 INFO L225 Difference]: With dead ends: 89526 [2023-12-16 17:36:23,873 INFO L226 Difference]: Without dead ends: 60198 [2023-12-16 17:36:23,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:23,951 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 107 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:23,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1019 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:24,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60198 states. [2023-12-16 17:36:26,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60198 to 60193. [2023-12-16 17:36:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60193 states, 49932 states have (on average 1.627012737322759) internal successors, (81240), 49939 states have internal predecessors, (81240), 10233 states have call successors, (10233), 24 states have call predecessors, (10233), 27 states have return successors, (11374), 10231 states have call predecessors, (11374), 10232 states have call successors, (11374) [2023-12-16 17:36:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60193 states to 60193 states and 102847 transitions. [2023-12-16 17:36:26,972 INFO L78 Accepts]: Start accepts. Automaton has 60193 states and 102847 transitions. Word has length 119 [2023-12-16 17:36:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:26,972 INFO L495 AbstractCegarLoop]: Abstraction has 60193 states and 102847 transitions. [2023-12-16 17:36:26,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 60193 states and 102847 transitions. [2023-12-16 17:36:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-16 17:36:26,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:26,998 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:27,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-16 17:36:27,204 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 [2023-12-16 17:36:27,205 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:27,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:27,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1098082024, now seen corresponding path program 1 times [2023-12-16 17:36:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:27,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74227489] [2023-12-16 17:36:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:27,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:36:27,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:27,207 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) [2023-12-16 17:36:27,208 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 [2023-12-16 17:36:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:27,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:36:27,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 17:36:27,432 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:27,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:27,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74227489] [2023-12-16 17:36:27,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74227489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:27,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:27,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:36:27,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539525493] [2023-12-16 17:36:27,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:27,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:36:27,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:27,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:36:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:27,434 INFO L87 Difference]: Start difference. First operand 60193 states and 102847 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:30,659 INFO L93 Difference]: Finished difference Result 112621 states and 192870 transitions. [2023-12-16 17:36:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:36:30,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2023-12-16 17:36:30,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:31,191 INFO L225 Difference]: With dead ends: 112621 [2023-12-16 17:36:31,191 INFO L226 Difference]: Without dead ends: 112469 [2023-12-16 17:36:31,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:36:31,231 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 105 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:31,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1013 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:36:31,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112469 states. [2023-12-16 17:36:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112469 to 112464. [2023-12-16 17:36:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112464 states, 93835 states have (on average 1.6215697767357595) internal successors, (152160), 93842 states have internal predecessors, (152160), 18601 states have call successors, (18601), 24 states have call predecessors, (18601), 27 states have return successors, (20788), 18599 states have call predecessors, (20788), 18600 states have call successors, (20788) [2023-12-16 17:36:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112464 states to 112464 states and 191549 transitions. [2023-12-16 17:36:35,795 INFO L78 Accepts]: Start accepts. Automaton has 112464 states and 191549 transitions. Word has length 120 [2023-12-16 17:36:35,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:35,795 INFO L495 AbstractCegarLoop]: Abstraction has 112464 states and 191549 transitions. [2023-12-16 17:36:35,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-16 17:36:35,795 INFO L276 IsEmpty]: Start isEmpty. Operand 112464 states and 191549 transitions. [2023-12-16 17:36:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-16 17:36:35,824 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:35,825 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:35,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-16 17:36:36,030 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 [2023-12-16 17:36:36,030 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:36,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash -383485206, now seen corresponding path program 1 times [2023-12-16 17:36:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:36,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327723185] [2023-12-16 17:36:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:36,031 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 [2023-12-16 17:36:36,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:36,033 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) [2023-12-16 17:36:36,064 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 [2023-12-16 17:36:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:36,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-16 17:36:36,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-16 17:36:36,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:36,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:36,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327723185] [2023-12-16 17:36:36,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327723185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:36,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:36,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 17:36:36,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663852347] [2023-12-16 17:36:36,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:36,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 17:36:36,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 17:36:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 17:36:36,735 INFO L87 Difference]: Start difference. First operand 112464 states and 191549 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-16 17:36:43,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:43,809 INFO L93 Difference]: Finished difference Result 223995 states and 387038 transitions. [2023-12-16 17:36:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 17:36:43,811 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2023-12-16 17:36:43,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:36:44,827 INFO L225 Difference]: With dead ends: 223995 [2023-12-16 17:36:44,827 INFO L226 Difference]: Without dead ends: 223850 [2023-12-16 17:36:44,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-12-16 17:36:44,914 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 828 mSDsluCounter, 4736 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 5328 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 17:36:44,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 5328 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 17:36:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223850 states. [2023-12-16 17:36:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223850 to 223834. [2023-12-16 17:36:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223834 states, 186822 states have (on average 1.6223464045990301) internal successors, (303090), 186727 states have internal predecessors, (303090), 36948 states have call successors, (36948), 57 states have call predecessors, (36948), 63 states have return successors, (44609), 37055 states have call predecessors, (44609), 36945 states have call successors, (44609) [2023-12-16 17:36:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223834 states to 223834 states and 384647 transitions. [2023-12-16 17:36:56,084 INFO L78 Accepts]: Start accepts. Automaton has 223834 states and 384647 transitions. Word has length 121 [2023-12-16 17:36:56,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:36:56,084 INFO L495 AbstractCegarLoop]: Abstraction has 223834 states and 384647 transitions. [2023-12-16 17:36:56,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-16 17:36:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 223834 states and 384647 transitions. [2023-12-16 17:36:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-16 17:36:56,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:56,155 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:56,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-16 17:36:56,360 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 [2023-12-16 17:36:56,360 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:56,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:56,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1353257439, now seen corresponding path program 1 times [2023-12-16 17:36:56,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:56,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876782658] [2023-12-16 17:36:56,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:56,362 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 [2023-12-16 17:36:56,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:56,363 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) [2023-12-16 17:36:56,400 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 [2023-12-16 17:36:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:56,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-16 17:36:56,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-16 17:36:56,871 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:56,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:56,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876782658] [2023-12-16 17:36:56,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876782658] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:56,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:56,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 17:36:56,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102651493] [2023-12-16 17:36:56,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:56,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 17:36:56,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:56,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 17:36:56,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 17:36:56,873 INFO L87 Difference]: Start difference. First operand 223834 states and 384647 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Received shutdown request... [2023-12-16 17:37:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 17:37:03,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2023-12-16 17:37:03,375 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 1307 mSDsluCounter, 3757 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 4260 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:03,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 4260 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 17:37:03,376 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:37:03,380 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 (24)] Ended with exit code 0 [2023-12-16 17:37:03,414 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 17:37:03,414 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 17:37:03,580 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 [2023-12-16 17:37:03,581 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (223834states) and FLOYD_HOARE automaton (currently 15 states, 12 states before enhancement),while ReachableStatesComputation was computing reachable states (154503 states constructed, input type IntersectNwa). [2023-12-16 17:37:03,584 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:03,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:37:03,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:37:03 BoogieIcfgContainer [2023-12-16 17:37:03,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:37:03,593 INFO L158 Benchmark]: Toolchain (without parser) took 60884.62ms. Allocated memory was 220.2MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 177.1MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2023-12-16 17:37:03,593 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 220.2MB. Free memory is still 167.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:37:03,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.59ms. Allocated memory was 220.2MB in the beginning and 315.6MB in the end (delta: 95.4MB). Free memory was 177.1MB in the beginning and 271.2MB in the end (delta: -94.1MB). Peak memory consumption was 53.8MB. Max. memory is 8.0GB. [2023-12-16 17:37:03,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.52ms. Allocated memory is still 315.6MB. Free memory was 271.2MB in the beginning and 265.5MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 17:37:03,594 INFO L158 Benchmark]: Boogie Preprocessor took 85.76ms. Allocated memory is still 315.6MB. Free memory was 265.5MB in the beginning and 258.7MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 17:37:03,595 INFO L158 Benchmark]: RCFGBuilder took 993.50ms. Allocated memory is still 315.6MB. Free memory was 258.7MB in the beginning and 263.3MB in the end (delta: -4.7MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. [2023-12-16 17:37:03,595 INFO L158 Benchmark]: TraceAbstraction took 59050.98ms. Allocated memory was 315.6MB in the beginning and 7.5GB in the end (delta: 7.2GB). Free memory was 262.9MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2023-12-16 17:37:03,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 220.2MB. Free memory is still 167.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 647.59ms. Allocated memory was 220.2MB in the beginning and 315.6MB in the end (delta: 95.4MB). Free memory was 177.1MB in the beginning and 271.2MB in the end (delta: -94.1MB). Peak memory consumption was 53.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 90.52ms. Allocated memory is still 315.6MB. Free memory was 271.2MB in the beginning and 265.5MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.76ms. Allocated memory is still 315.6MB. Free memory was 265.5MB in the beginning and 258.7MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 993.50ms. Allocated memory is still 315.6MB. Free memory was 258.7MB in the beginning and 263.3MB in the end (delta: -4.7MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. * TraceAbstraction took 59050.98ms. Allocated memory was 315.6MB in the beginning and 7.5GB in the end (delta: 7.2GB). Free memory was 262.9MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] - GenericResultAtLocation [Line: 414]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [414] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [432] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [844] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [853] - GenericResultAtLocation [Line: 1933]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [1933] - GenericResultAtLocation [Line: 1987]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1987] - GenericResultAtLocation [Line: 2216]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2216] - GenericResultAtLocation [Line: 2321]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2321] - GenericResultAtLocation [Line: 2618]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2618] - GenericResultAtLocation [Line: 2925]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2925] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 849]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 849). Cancelled while NwaCegarLoop was constructing difference of abstraction (223834states) and FLOYD_HOARE automaton (currently 15 states, 12 states before enhancement),while ReachableStatesComputation was computing reachable states (154503 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 339 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.0s, OverallIterations: 23, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4639 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4383 mSDsluCounter, 37621 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25762 mSDsCounter, 392 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3671 IncrementalHoareTripleChecker+Invalid, 4063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 392 mSolverCounterUnsat, 11859 mSDtfsCounter, 3671 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2615 GetRequests, 2529 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223834occurred in iteration=22, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 22.7s AutomataMinimizationTime, 22 MinimizatonAttempts, 94 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2501 NumberOfCodeBlocks, 2440 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2585 ConstructedInterpolants, 0 QuantifiedInterpolants, 4135 SizeOfPredicates, 52 NumberOfNonLiveVariables, 11870 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 24 InterpolantComputations, 22 PerfectInterpolantSequences, 719/723 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown