/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:36:55,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:36:55,420 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 17:36:55,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:36:55,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:36:55,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:36:55,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:36:55,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:36:55,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:36:55,446 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:36:55,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:36:55,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:36:55,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:36:55,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:36:55,448 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:36:55,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:36:55,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:36:55,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:36:55,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:36:55,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:36:55,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:36:55,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:36:55,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:36:55,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:36:55,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:36:55,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:36:55,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:36:55,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:36:55,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:36:55,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:36:55,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:36:55,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:36:55,453 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:36:55,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:36:55,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:36:55,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:36:55,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:36:55,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:36:55,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:36:55,455 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:36:55,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:36:55,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:36:55,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:36:55,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:36:55,693 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:36:55,693 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:36:55,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product35.cil.c [2023-12-16 17:36:56,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:36:57,152 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:36:57,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product35.cil.c [2023-12-16 17:36:57,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75befe387/a51c380e72bf4e748a79d3cefed225a1/FLAGb5f4660a2 [2023-12-16 17:36:57,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75befe387/a51c380e72bf4e748a79d3cefed225a1 [2023-12-16 17:36:57,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:36:57,187 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:36:57,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:36:57,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:36:57,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:36:57,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:36:57" (1/1) ... [2023-12-16 17:36:57,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bb82bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:57, skipping insertion in model container [2023-12-16 17:36:57,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:36:57" (1/1) ... [2023-12-16 17:36:57,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:36:57,576 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_product35.cil.c[16425,16438] [2023-12-16 17:36:57,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:36:57,734 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:36:57,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:36:57,823 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_product35.cil.c[16425,16438] [2023-12-16 17:36:57,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:36:57,918 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:36:57,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2023-12-16 17:36:57,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [528] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [571] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [904] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [939] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1338] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1704] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2764] [2023-12-16 17:36:57,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2986] [2023-12-16 17:36:57,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3121] [2023-12-16 17:36:57,943 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_product35.cil.c[16425,16438] [2023-12-16 17:36:57,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:36:58,024 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:36:58,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58 WrapperNode [2023-12-16 17:36:58,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:36:58,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:36:58,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:36:58,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:36:58,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,105 INFO L138 Inliner]: procedures = 140, calls = 230, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1084 [2023-12-16 17:36:58,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:36:58,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:36:58,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:36:58,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:36:58,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,149 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 17:36:58,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:36:58,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:36:58,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:36:58,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:36:58,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (1/1) ... [2023-12-16 17:36:58,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:36:58,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:36:58,234 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 17:36:58,237 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 17:36:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 17:36:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 17:36:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 17:36:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 17:36:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 17:36:58,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 17:36:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 17:36:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 17:36:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 17:36:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 17:36:58,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 17:36:58,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 17:36:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 17:36:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 17:36:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 17:36:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 17:36:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 17:36:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 17:36:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 17:36:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 17:36:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 17:36:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 17:36:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 17:36:58,258 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 17:36:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 17:36:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-16 17:36:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 17:36:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 17:36:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 17:36:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-16 17:36:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 17:36:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 17:36:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 17:36:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 17:36:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-16 17:36:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 17:36:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 17:36:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 17:36:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 17:36:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 17:36:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 17:36:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 17:36:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 17:36:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 17:36:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:36:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:36:58,469 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:36:58,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:36:59,215 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:36:59,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:36:59,284 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 17:36:59,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:36:59 BoogieIcfgContainer [2023-12-16 17:36:59,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:36:59,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:36:59,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:36:59,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:36:59,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:36:57" (1/3) ... [2023-12-16 17:36:59,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4379535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:36:59, skipping insertion in model container [2023-12-16 17:36:59,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:36:58" (2/3) ... [2023-12-16 17:36:59,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4379535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:36:59, skipping insertion in model container [2023-12-16 17:36:59,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:36:59" (3/3) ... [2023-12-16 17:36:59,293 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product35.cil.c [2023-12-16 17:36:59,304 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:36:59,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:36:59,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:36:59,368 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;@d3da215, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:36:59,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:36:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 434 states, 328 states have (on average 1.5884146341463414) internal successors, (521), 333 states have internal predecessors, (521), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-16 17:36:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 17:36:59,390 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:36:59,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:36:59,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:36:59,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:36:59,394 INFO L85 PathProgramCache]: Analyzing trace with hash 460342136, now seen corresponding path program 1 times [2023-12-16 17:36:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:36:59,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416613083] [2023-12-16 17:36:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:36:59,409 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 17:36:59,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:36:59,412 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 17:36:59,417 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 17:36:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:36:59,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:36:59,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:36:59,805 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 17:36:59,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:36:59,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:36:59,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416613083] [2023-12-16 17:36:59,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416613083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:36:59,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:36:59,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:36:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051775631] [2023-12-16 17:36:59,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:36:59,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:36:59,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:36:59,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:36:59,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:36:59,844 INFO L87 Difference]: Start difference. First operand has 434 states, 328 states have (on average 1.5884146341463414) internal successors, (521), 333 states have internal predecessors, (521), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:36:59,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:36:59,957 INFO L93 Difference]: Finished difference Result 680 states and 1034 transitions. [2023-12-16 17:36:59,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:36:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2023-12-16 17:36:59,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:00,014 INFO L225 Difference]: With dead ends: 680 [2023-12-16 17:37:00,014 INFO L226 Difference]: Without dead ends: 431 [2023-12-16 17:37:00,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 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 17:37:00,022 INFO L413 NwaCegarLoop]: 646 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:00,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 646 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-12-16 17:37:00,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2023-12-16 17:37:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 326 states have (on average 1.5766871165644172) internal successors, (514), 330 states have internal predecessors, (514), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-16 17:37:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 663 transitions. [2023-12-16 17:37:00,074 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 663 transitions. Word has length 104 [2023-12-16 17:37:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:00,075 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 663 transitions. [2023-12-16 17:37:00,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 663 transitions. [2023-12-16 17:37:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 17:37:00,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:00,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:00,087 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 17:37:00,288 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 17:37:00,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:00,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1517730612, now seen corresponding path program 1 times [2023-12-16 17:37:00,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:00,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035469305] [2023-12-16 17:37:00,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:00,291 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 17:37:00,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:00,292 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 17:37:00,308 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 17:37:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:00,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:37:00,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:00,614 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 17:37:00,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:00,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:00,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035469305] [2023-12-16 17:37:00,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035469305] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:00,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:00,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:37:00,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498189996] [2023-12-16 17:37:00,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:00,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:37:00,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:00,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:37:00,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:37:00,621 INFO L87 Difference]: Start difference. First operand 431 states and 663 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, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:00,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:00,769 INFO L93 Difference]: Finished difference Result 857 states and 1320 transitions. [2023-12-16 17:37:00,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:37:00,769 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, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 105 [2023-12-16 17:37:00,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:00,772 INFO L225 Difference]: With dead ends: 857 [2023-12-16 17:37:00,772 INFO L226 Difference]: Without dead ends: 433 [2023-12-16 17:37:00,774 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 17:37:00,774 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 8 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2525 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-12-16 17:37:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2023-12-16 17:37:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 327 states have (on average 1.5749235474006116) internal successors, (515), 332 states have internal predecessors, (515), 75 states have call successors, (75), 29 states have call predecessors, (75), 30 states have return successors, (76), 73 states have call predecessors, (76), 74 states have call successors, (76) [2023-12-16 17:37:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 666 transitions. [2023-12-16 17:37:00,794 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 666 transitions. Word has length 105 [2023-12-16 17:37:00,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:00,794 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 666 transitions. [2023-12-16 17:37:00,794 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, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 666 transitions. [2023-12-16 17:37:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 17:37:00,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:00,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:00,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 17:37:01,002 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 17:37:01,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:01,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:01,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1090866190, now seen corresponding path program 1 times [2023-12-16 17:37:01,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:01,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96245244] [2023-12-16 17:37:01,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:01,004 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 17:37:01,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:01,005 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 17:37:01,008 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 17:37:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:01,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:37:01,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:01,281 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 17:37:01,281 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:01,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:01,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96245244] [2023-12-16 17:37:01,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96245244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:01,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:01,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:37:01,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364716919] [2023-12-16 17:37:01,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:01,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:37:01,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:01,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:37:01,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:37:01,283 INFO L87 Difference]: Start difference. First operand 433 states and 666 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:01,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:01,464 INFO L93 Difference]: Finished difference Result 859 states and 1324 transitions. [2023-12-16 17:37:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:37:01,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 106 [2023-12-16 17:37:01,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:01,467 INFO L225 Difference]: With dead ends: 859 [2023-12-16 17:37:01,468 INFO L226 Difference]: Without dead ends: 435 [2023-12-16 17:37:01,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 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 17:37:01,496 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 8 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:01,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2511 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:01,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-12-16 17:37:01,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2023-12-16 17:37:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 328 states have (on average 1.5731707317073171) internal successors, (516), 334 states have internal predecessors, (516), 75 states have call successors, (75), 29 states have call predecessors, (75), 31 states have return successors, (80), 73 states have call predecessors, (80), 74 states have call successors, (80) [2023-12-16 17:37:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 671 transitions. [2023-12-16 17:37:01,550 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 671 transitions. Word has length 106 [2023-12-16 17:37:01,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:01,551 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 671 transitions. [2023-12-16 17:37:01,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 671 transitions. [2023-12-16 17:37:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-16 17:37:01,554 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:01,554 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] [2023-12-16 17:37:01,575 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 17:37:01,755 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 17:37:01,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:01,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1893207603, now seen corresponding path program 1 times [2023-12-16 17:37:01,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:01,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625786629] [2023-12-16 17:37:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:01,757 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 17:37:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:01,758 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 17:37:01,760 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 17:37:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:01,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:37:01,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:02,034 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 17:37:02,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:02,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625786629] [2023-12-16 17:37:02,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625786629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:02,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:02,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:37:02,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151042581] [2023-12-16 17:37:02,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:02,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:37:02,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:37:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:37:02,038 INFO L87 Difference]: Start difference. First operand 435 states and 671 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:02,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:02,147 INFO L93 Difference]: Finished difference Result 851 states and 1314 transitions. [2023-12-16 17:37:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:37:02,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 107 [2023-12-16 17:37:02,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:02,151 INFO L225 Difference]: With dead ends: 851 [2023-12-16 17:37:02,151 INFO L226 Difference]: Without dead ends: 435 [2023-12-16 17:37:02,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 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 17:37:02,156 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 8 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:02,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2525 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:02,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-12-16 17:37:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2023-12-16 17:37:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 328 states have (on average 1.5731707317073171) internal successors, (516), 334 states have internal predecessors, (516), 75 states have call successors, (75), 29 states have call predecessors, (75), 31 states have return successors, (79), 73 states have call predecessors, (79), 74 states have call successors, (79) [2023-12-16 17:37:02,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 670 transitions. [2023-12-16 17:37:02,177 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 670 transitions. Word has length 107 [2023-12-16 17:37:02,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:02,177 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 670 transitions. [2023-12-16 17:37:02,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 670 transitions. [2023-12-16 17:37:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 17:37:02,180 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:02,180 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 17:37:02,201 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 17:37:02,387 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 17:37:02,387 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:02,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash 245462775, now seen corresponding path program 2 times [2023-12-16 17:37:02,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:02,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430841487] [2023-12-16 17:37:02,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:37:02,388 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 17:37:02,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:02,389 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 17:37:02,391 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 17:37:02,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-16 17:37:02,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:37:02,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:02,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:02,563 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 17:37:02,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:02,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:02,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430841487] [2023-12-16 17:37:02,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430841487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:02,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:02,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:02,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475324561] [2023-12-16 17:37:02,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:02,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:02,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:02,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:02,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:02,565 INFO L87 Difference]: Start difference. First operand 435 states and 670 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:02,608 INFO L93 Difference]: Finished difference Result 680 states and 1025 transitions. [2023-12-16 17:37:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2023-12-16 17:37:02,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:02,611 INFO L225 Difference]: With dead ends: 680 [2023-12-16 17:37:02,611 INFO L226 Difference]: Without dead ends: 437 [2023-12-16 17:37:02,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 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 17:37:02,612 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 0 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:02,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1285 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-12-16 17:37:02,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2023-12-16 17:37:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 330 states have (on average 1.5696969696969696) internal successors, (518), 336 states have internal predecessors, (518), 75 states have call successors, (75), 29 states have call predecessors, (75), 31 states have return successors, (79), 73 states have call predecessors, (79), 74 states have call successors, (79) [2023-12-16 17:37:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 672 transitions. [2023-12-16 17:37:02,623 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 672 transitions. Word has length 108 [2023-12-16 17:37:02,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:02,623 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 672 transitions. [2023-12-16 17:37:02,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 672 transitions. [2023-12-16 17:37:02,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-16 17:37:02,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:02,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:02,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:37:02,828 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 17:37:02,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:02,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:02,829 INFO L85 PathProgramCache]: Analyzing trace with hash 911599603, now seen corresponding path program 1 times [2023-12-16 17:37:02,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:02,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718336903] [2023-12-16 17:37:02,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:02,830 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 17:37:02,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:02,831 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 17:37:02,866 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 17:37:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:03,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:37:03,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:03,091 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 17:37:03,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:03,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:03,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718336903] [2023-12-16 17:37:03,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718336903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:03,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:03,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:37:03,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340724188] [2023-12-16 17:37:03,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:03,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:37:03,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:03,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:37:03,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:37:03,093 INFO L87 Difference]: Start difference. First operand 437 states and 672 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:03,201 INFO L93 Difference]: Finished difference Result 857 states and 1321 transitions. [2023-12-16 17:37:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:37:03,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 115 [2023-12-16 17:37:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:03,204 INFO L225 Difference]: With dead ends: 857 [2023-12-16 17:37:03,204 INFO L226 Difference]: Without dead ends: 439 [2023-12-16 17:37:03,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 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 17:37:03,205 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 6 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:03,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2527 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:03,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-12-16 17:37:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2023-12-16 17:37:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 331 states have (on average 1.56797583081571) internal successors, (519), 338 states have internal predecessors, (519), 75 states have call successors, (75), 29 states have call predecessors, (75), 32 states have return successors, (81), 73 states have call predecessors, (81), 74 states have call successors, (81) [2023-12-16 17:37:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 675 transitions. [2023-12-16 17:37:03,216 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 675 transitions. Word has length 115 [2023-12-16 17:37:03,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:03,217 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 675 transitions. [2023-12-16 17:37:03,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 675 transitions. [2023-12-16 17:37:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 17:37:03,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:03,219 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:03,238 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 17:37:03,424 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 17:37:03,425 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:03,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:03,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1265032046, now seen corresponding path program 1 times [2023-12-16 17:37:03,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:03,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168027002] [2023-12-16 17:37:03,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:03,426 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 17:37:03,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:03,427 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 17:37:03,457 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 17:37:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:03,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:37:03,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:03,693 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 17:37:03,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:03,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:03,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168027002] [2023-12-16 17:37:03,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168027002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:03,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:03,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:37:03,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060959] [2023-12-16 17:37:03,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:03,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:37:03,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:03,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:37:03,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:37:03,695 INFO L87 Difference]: Start difference. First operand 439 states and 675 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:03,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:03,811 INFO L93 Difference]: Finished difference Result 855 states and 1316 transitions. [2023-12-16 17:37:03,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:37:03,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 116 [2023-12-16 17:37:03,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:03,814 INFO L225 Difference]: With dead ends: 855 [2023-12-16 17:37:03,814 INFO L226 Difference]: Without dead ends: 439 [2023-12-16 17:37:03,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 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 17:37:03,817 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 8 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:03,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2512 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:03,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-12-16 17:37:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2023-12-16 17:37:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 331 states have (on average 1.56797583081571) internal successors, (519), 338 states have internal predecessors, (519), 75 states have call successors, (75), 29 states have call predecessors, (75), 32 states have return successors, (80), 73 states have call predecessors, (80), 74 states have call successors, (80) [2023-12-16 17:37:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 674 transitions. [2023-12-16 17:37:03,828 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 674 transitions. Word has length 116 [2023-12-16 17:37:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:03,828 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 674 transitions. [2023-12-16 17:37:03,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 674 transitions. [2023-12-16 17:37:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 17:37:03,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:03,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:03,838 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 17:37:04,052 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 17:37:04,053 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:04,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash -234804555, now seen corresponding path program 2 times [2023-12-16 17:37:04,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:04,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344947993] [2023-12-16 17:37:04,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:37:04,054 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 17:37:04,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:04,067 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 17:37:04,075 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 17:37:04,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 17:37:04,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:37:04,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:37:04,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:04,327 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 17:37:04,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:04,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:04,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344947993] [2023-12-16 17:37:04,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344947993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:04,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:04,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:37:04,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425530437] [2023-12-16 17:37:04,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:04,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:37:04,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:04,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:37:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:37:04,328 INFO L87 Difference]: Start difference. First operand 439 states and 674 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:04,441 INFO L93 Difference]: Finished difference Result 857 states and 1321 transitions. [2023-12-16 17:37:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:37:04,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 117 [2023-12-16 17:37:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:04,444 INFO L225 Difference]: With dead ends: 857 [2023-12-16 17:37:04,444 INFO L226 Difference]: Without dead ends: 441 [2023-12-16 17:37:04,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 113 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 17:37:04,446 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 6 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:04,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2514 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-12-16 17:37:04,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2023-12-16 17:37:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 332 states have (on average 1.5662650602409638) internal successors, (520), 340 states have internal predecessors, (520), 75 states have call successors, (75), 29 states have call predecessors, (75), 33 states have return successors, (84), 73 states have call predecessors, (84), 74 states have call successors, (84) [2023-12-16 17:37:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 679 transitions. [2023-12-16 17:37:04,456 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 679 transitions. Word has length 117 [2023-12-16 17:37:04,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:04,456 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 679 transitions. [2023-12-16 17:37:04,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 679 transitions. [2023-12-16 17:37:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 17:37:04,458 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:04,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:04,467 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 (9)] Ended with exit code 0 [2023-12-16 17:37:04,664 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 17:37:04,665 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:04,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:04,665 INFO L85 PathProgramCache]: Analyzing trace with hash -559906547, now seen corresponding path program 1 times [2023-12-16 17:37:04,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:04,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854971058] [2023-12-16 17:37:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:04,666 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 17:37:04,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:04,677 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 17:37:04,724 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 17:37:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:04,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:04,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:04,930 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 17:37:04,930 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:04,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:04,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854971058] [2023-12-16 17:37:04,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854971058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:04,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:04,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:04,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261884005] [2023-12-16 17:37:04,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:04,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:04,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:04,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:04,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:04,932 INFO L87 Difference]: Start difference. First operand 441 states and 679 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:04,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:04,984 INFO L93 Difference]: Finished difference Result 930 states and 1451 transitions. [2023-12-16 17:37:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:04,985 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2023-12-16 17:37:04,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:04,987 INFO L225 Difference]: With dead ends: 930 [2023-12-16 17:37:04,987 INFO L226 Difference]: Without dead ends: 515 [2023-12-16 17:37:04,989 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 17:37:04,989 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 136 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:04,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1252 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:04,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2023-12-16 17:37:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 510. [2023-12-16 17:37:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 387 states have (on average 1.5865633074935401) internal successors, (614), 395 states have internal predecessors, (614), 89 states have call successors, (89), 29 states have call predecessors, (89), 33 states have return successors, (100), 87 states have call predecessors, (100), 88 states have call successors, (100) [2023-12-16 17:37:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 803 transitions. [2023-12-16 17:37:05,003 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 803 transitions. Word has length 118 [2023-12-16 17:37:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:05,003 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 803 transitions. [2023-12-16 17:37:05,003 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 803 transitions. [2023-12-16 17:37:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-16 17:37:05,005 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:05,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:05,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-16 17:37:05,211 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 17:37:05,211 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:05,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:05,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1702779983, now seen corresponding path program 1 times [2023-12-16 17:37:05,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:05,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273539222] [2023-12-16 17:37:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:05,213 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 17:37:05,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:05,214 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 17:37:05,251 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 17:37:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:05,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:37:05,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:05,493 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 17:37:05,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:05,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:05,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273539222] [2023-12-16 17:37:05,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273539222] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:05,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:05,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:37:05,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217691210] [2023-12-16 17:37:05,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:05,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:37:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:05,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:37:05,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:37:05,495 INFO L87 Difference]: Start difference. First operand 510 states and 803 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:05,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:05,591 INFO L93 Difference]: Finished difference Result 1012 states and 1584 transitions. [2023-12-16 17:37:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:37:05,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2023-12-16 17:37:05,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:05,595 INFO L225 Difference]: With dead ends: 1012 [2023-12-16 17:37:05,595 INFO L226 Difference]: Without dead ends: 526 [2023-12-16 17:37:05,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 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 17:37:05,597 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 624 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:05,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 1301 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-12-16 17:37:05,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 518. [2023-12-16 17:37:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 394 states have (on average 1.5736040609137056) internal successors, (620), 401 states have internal predecessors, (620), 89 states have call successors, (89), 31 states have call predecessors, (89), 34 states have return successors, (96), 87 states have call predecessors, (96), 88 states have call successors, (96) [2023-12-16 17:37:05,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 805 transitions. [2023-12-16 17:37:05,614 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 805 transitions. Word has length 119 [2023-12-16 17:37:05,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:05,615 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 805 transitions. [2023-12-16 17:37:05,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 17:37:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 805 transitions. [2023-12-16 17:37:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-16 17:37:05,617 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:05,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:05,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-16 17:37:05,824 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 17:37:05,824 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:05,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2030763722, now seen corresponding path program 1 times [2023-12-16 17:37:05,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:05,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145165765] [2023-12-16 17:37:05,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:05,825 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 17:37:05,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:05,827 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 17:37:05,861 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 17:37:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:06,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 17:37:06,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:06,073 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 17:37:06,073 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:37:06,133 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 17:37:06,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:06,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145165765] [2023-12-16 17:37:06,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145165765] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:37:06,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:37:06,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-16 17:37:06,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974237568] [2023-12-16 17:37:06,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:37:06,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:37:06,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:37:06,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:37:06,135 INFO L87 Difference]: Start difference. First operand 518 states and 805 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-16 17:37:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:06,421 INFO L93 Difference]: Finished difference Result 1196 states and 1924 transitions. [2023-12-16 17:37:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:37:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 120 [2023-12-16 17:37:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:06,425 INFO L225 Difference]: With dead ends: 1196 [2023-12-16 17:37:06,425 INFO L226 Difference]: Without dead ends: 953 [2023-12-16 17:37:06,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 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 17:37:06,426 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 502 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:06,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 3254 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:37:06,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2023-12-16 17:37:06,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 938. [2023-12-16 17:37:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 735 states have (on average 1.6258503401360545) internal successors, (1195), 742 states have internal predecessors, (1195), 168 states have call successors, (168), 31 states have call predecessors, (168), 34 states have return successors, (185), 166 states have call predecessors, (185), 167 states have call successors, (185) [2023-12-16 17:37:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1548 transitions. [2023-12-16 17:37:06,458 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1548 transitions. Word has length 120 [2023-12-16 17:37:06,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:06,458 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1548 transitions. [2023-12-16 17:37:06,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-16 17:37:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1548 transitions. [2023-12-16 17:37:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-16 17:37:06,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:06,462 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, 1] [2023-12-16 17:37:06,470 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 17:37:06,667 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 17:37:06,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:06,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:06,668 INFO L85 PathProgramCache]: Analyzing trace with hash -161477753, now seen corresponding path program 1 times [2023-12-16 17:37:06,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:06,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108361391] [2023-12-16 17:37:06,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:06,668 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 17:37:06,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:06,669 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 17:37:06,674 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 17:37:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:06,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:06,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:06,894 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 17:37:06,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:06,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:06,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108361391] [2023-12-16 17:37:06,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108361391] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:06,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:06,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:06,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837349786] [2023-12-16 17:37:06,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:06,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:06,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:06,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:06,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:06,895 INFO L87 Difference]: Start difference. First operand 938 states and 1548 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:06,971 INFO L93 Difference]: Finished difference Result 2207 states and 3709 transitions. [2023-12-16 17:37:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:06,971 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-12-16 17:37:06,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:06,977 INFO L225 Difference]: With dead ends: 2207 [2023-12-16 17:37:06,977 INFO L226 Difference]: Without dead ends: 1345 [2023-12-16 17:37:06,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 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 17:37:06,980 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 130 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:06,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1283 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:06,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2023-12-16 17:37:07,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1340. [2023-12-16 17:37:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1058 states have (on average 1.6465028355387523) internal successors, (1742), 1065 states have internal predecessors, (1742), 247 states have call successors, (247), 31 states have call predecessors, (247), 34 states have return successors, (274), 245 states have call predecessors, (274), 246 states have call successors, (274) [2023-12-16 17:37:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 2263 transitions. [2023-12-16 17:37:07,027 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 2263 transitions. Word has length 123 [2023-12-16 17:37:07,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:07,027 INFO L495 AbstractCegarLoop]: Abstraction has 1340 states and 2263 transitions. [2023-12-16 17:37:07,027 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2263 transitions. [2023-12-16 17:37:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-16 17:37:07,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:07,032 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, 1, 1] [2023-12-16 17:37:07,040 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 17:37:07,238 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 17:37:07,238 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:07,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:07,239 INFO L85 PathProgramCache]: Analyzing trace with hash -485063736, now seen corresponding path program 1 times [2023-12-16 17:37:07,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:07,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263301012] [2023-12-16 17:37:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:07,239 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 17:37:07,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:07,240 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 17:37:07,242 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 17:37:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:07,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:07,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:07,462 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 17:37:07,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:07,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:07,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263301012] [2023-12-16 17:37:07,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263301012] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:07,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:07,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:07,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592754349] [2023-12-16 17:37:07,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:07,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:07,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:07,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:07,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:07,464 INFO L87 Difference]: Start difference. First operand 1340 states and 2263 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:07,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:07,570 INFO L93 Difference]: Finished difference Result 3205 states and 5455 transitions. [2023-12-16 17:37:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:07,570 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2023-12-16 17:37:07,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:07,582 INFO L225 Difference]: With dead ends: 3205 [2023-12-16 17:37:07,582 INFO L226 Difference]: Without dead ends: 1991 [2023-12-16 17:37:07,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 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 17:37:07,586 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 128 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:07,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1273 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:37:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2023-12-16 17:37:07,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1986. [2023-12-16 17:37:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1986 states, 1585 states have (on average 1.6548895899053628) internal successors, (2623), 1592 states have internal predecessors, (2623), 366 states have call successors, (366), 31 states have call predecessors, (366), 34 states have return successors, (393), 364 states have call predecessors, (393), 365 states have call successors, (393) [2023-12-16 17:37:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 3382 transitions. [2023-12-16 17:37:07,661 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 3382 transitions. Word has length 124 [2023-12-16 17:37:07,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:07,661 INFO L495 AbstractCegarLoop]: Abstraction has 1986 states and 3382 transitions. [2023-12-16 17:37:07,662 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 3382 transitions. [2023-12-16 17:37:07,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-16 17:37:07,669 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:07,669 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, 1, 1, 1] [2023-12-16 17:37:07,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 17:37:07,874 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 17:37:07,874 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:07,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:07,875 INFO L85 PathProgramCache]: Analyzing trace with hash -500676107, now seen corresponding path program 1 times [2023-12-16 17:37:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543523882] [2023-12-16 17:37:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:07,875 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 17:37:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:07,877 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 17:37:07,878 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 17:37:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:08,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:08,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:08,115 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 17:37:08,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:08,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543523882] [2023-12-16 17:37:08,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543523882] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:08,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:08,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:08,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595309089] [2023-12-16 17:37:08,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:08,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:08,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:08,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:08,117 INFO L87 Difference]: Start difference. First operand 1986 states and 3382 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:08,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:08,287 INFO L93 Difference]: Finished difference Result 4718 states and 8106 transitions. [2023-12-16 17:37:08,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:08,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2023-12-16 17:37:08,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:08,301 INFO L225 Difference]: With dead ends: 4718 [2023-12-16 17:37:08,301 INFO L226 Difference]: Without dead ends: 2984 [2023-12-16 17:37:08,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 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 17:37:08,308 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 126 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:08,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1268 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:08,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2984 states. [2023-12-16 17:37:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2984 to 2979. [2023-12-16 17:37:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2416 states have (on average 1.661837748344371) internal successors, (4015), 2423 states have internal predecessors, (4015), 528 states have call successors, (528), 31 states have call predecessors, (528), 34 states have return successors, (571), 526 states have call predecessors, (571), 527 states have call successors, (571) [2023-12-16 17:37:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 5114 transitions. [2023-12-16 17:37:08,428 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 5114 transitions. Word has length 125 [2023-12-16 17:37:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:08,428 INFO L495 AbstractCegarLoop]: Abstraction has 2979 states and 5114 transitions. [2023-12-16 17:37:08,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 5114 transitions. [2023-12-16 17:37:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-16 17:37:08,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:08,439 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, 1, 1, 1, 1] [2023-12-16 17:37:08,458 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 17:37:08,644 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 17:37:08,644 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:08,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:08,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1639856777, now seen corresponding path program 1 times [2023-12-16 17:37:08,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:08,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328662911] [2023-12-16 17:37:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:37:08,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:08,646 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 17:37:08,694 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 17:37:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:08,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:08,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:08,889 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 17:37:08,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:08,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:08,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328662911] [2023-12-16 17:37:08,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328662911] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:08,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:08,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:08,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478135917] [2023-12-16 17:37:08,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:08,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:08,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:08,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:08,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:08,890 INFO L87 Difference]: Start difference. First operand 2979 states and 5114 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:09,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:09,056 INFO L93 Difference]: Finished difference Result 7112 states and 12308 transitions. [2023-12-16 17:37:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:09,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2023-12-16 17:37:09,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:09,073 INFO L225 Difference]: With dead ends: 7112 [2023-12-16 17:37:09,073 INFO L226 Difference]: Without dead ends: 4591 [2023-12-16 17:37:09,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 17:37:09,080 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 124 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:09,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1268 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:09,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4591 states. [2023-12-16 17:37:09,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4591 to 4586. [2023-12-16 17:37:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4586 states, 3778 states have (on average 1.6670195870831128) internal successors, (6298), 3785 states have internal predecessors, (6298), 773 states have call successors, (773), 31 states have call predecessors, (773), 34 states have return successors, (842), 771 states have call predecessors, (842), 772 states have call successors, (842) [2023-12-16 17:37:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4586 states and 7913 transitions. [2023-12-16 17:37:09,284 INFO L78 Accepts]: Start accepts. Automaton has 4586 states and 7913 transitions. Word has length 126 [2023-12-16 17:37:09,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:09,285 INFO L495 AbstractCegarLoop]: Abstraction has 4586 states and 7913 transitions. [2023-12-16 17:37:09,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 4586 states and 7913 transitions. [2023-12-16 17:37:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-16 17:37:09,297 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:09,297 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, 1, 1, 1, 1, 1] [2023-12-16 17:37:09,305 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 17:37:09,503 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 17:37:09,503 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:09,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:09,503 INFO L85 PathProgramCache]: Analyzing trace with hash 830942865, now seen corresponding path program 1 times [2023-12-16 17:37:09,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292249633] [2023-12-16 17:37:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:09,504 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 17:37:09,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:09,505 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 17:37:09,507 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 17:37:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:09,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:09,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:09,729 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 17:37:09,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:09,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:09,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292249633] [2023-12-16 17:37:09,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292249633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:09,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:09,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:09,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223668390] [2023-12-16 17:37:09,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:09,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:09,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:09,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:09,731 INFO L87 Difference]: Start difference. First operand 4586 states and 7913 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:09,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:09,943 INFO L93 Difference]: Finished difference Result 11158 states and 19368 transitions. [2023-12-16 17:37:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:09,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 127 [2023-12-16 17:37:09,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:09,987 INFO L225 Difference]: With dead ends: 11158 [2023-12-16 17:37:09,987 INFO L226 Difference]: Without dead ends: 7329 [2023-12-16 17:37:10,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:10,002 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 122 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:10,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1282 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:10,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7329 states. [2023-12-16 17:37:10,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7329 to 7324. [2023-12-16 17:37:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7324 states, 6023 states have (on average 1.661630416735846) internal successors, (10008), 6030 states have internal predecessors, (10008), 1266 states have call successors, (1266), 31 states have call predecessors, (1266), 34 states have return successors, (1379), 1264 states have call predecessors, (1379), 1265 states have call successors, (1379) [2023-12-16 17:37:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7324 states to 7324 states and 12653 transitions. [2023-12-16 17:37:10,387 INFO L78 Accepts]: Start accepts. Automaton has 7324 states and 12653 transitions. Word has length 127 [2023-12-16 17:37:10,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:10,387 INFO L495 AbstractCegarLoop]: Abstraction has 7324 states and 12653 transitions. [2023-12-16 17:37:10,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7324 states and 12653 transitions. [2023-12-16 17:37:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-16 17:37:10,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:10,407 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, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:10,414 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 (17)] Ended with exit code 0 [2023-12-16 17:37:10,612 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 17:37:10,612 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:10,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:10,614 INFO L85 PathProgramCache]: Analyzing trace with hash 604714477, now seen corresponding path program 1 times [2023-12-16 17:37:10,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:10,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351514358] [2023-12-16 17:37:10,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:10,614 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 17:37:10,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:10,616 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 17:37:10,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-16 17:37:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:10,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:10,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:10,854 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 17:37:10,855 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:10,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:10,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351514358] [2023-12-16 17:37:10,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351514358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:10,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:10,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:10,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555229275] [2023-12-16 17:37:10,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:10,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:10,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:10,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:10,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:10,857 INFO L87 Difference]: Start difference. First operand 7324 states and 12653 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:11,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:11,228 INFO L93 Difference]: Finished difference Result 18461 states and 32109 transitions. [2023-12-16 17:37:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:11,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2023-12-16 17:37:11,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:11,267 INFO L225 Difference]: With dead ends: 18461 [2023-12-16 17:37:11,267 INFO L226 Difference]: Without dead ends: 12275 [2023-12-16 17:37:11,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 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 17:37:11,289 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 120 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:11,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1276 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:11,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12275 states. [2023-12-16 17:37:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12275 to 12270. [2023-12-16 17:37:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12270 states, 10147 states have (on average 1.6620676061890214) internal successors, (16865), 10154 states have internal predecessors, (16865), 2088 states have call successors, (2088), 31 states have call predecessors, (2088), 34 states have return successors, (2279), 2086 states have call predecessors, (2279), 2087 states have call successors, (2279) [2023-12-16 17:37:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12270 states to 12270 states and 21232 transitions. [2023-12-16 17:37:11,888 INFO L78 Accepts]: Start accepts. Automaton has 12270 states and 21232 transitions. Word has length 128 [2023-12-16 17:37:11,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:11,888 INFO L495 AbstractCegarLoop]: Abstraction has 12270 states and 21232 transitions. [2023-12-16 17:37:11,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 12270 states and 21232 transitions. [2023-12-16 17:37:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 17:37:11,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:11,918 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:11,933 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 17:37:12,132 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 17:37:12,133 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:12,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:12,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1304733535, now seen corresponding path program 1 times [2023-12-16 17:37:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514429367] [2023-12-16 17:37:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:12,134 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 17:37:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:12,149 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 17:37:12,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-16 17:37:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:12,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:12,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:12,385 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 17:37:12,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:12,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:12,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514429367] [2023-12-16 17:37:12,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514429367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:12,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:12,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:12,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517944677] [2023-12-16 17:37:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:12,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:12,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:12,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:12,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:12,389 INFO L87 Difference]: Start difference. First operand 12270 states and 21232 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:13,000 INFO L93 Difference]: Finished difference Result 29322 states and 50696 transitions. [2023-12-16 17:37:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:13,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2023-12-16 17:37:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:13,063 INFO L225 Difference]: With dead ends: 29322 [2023-12-16 17:37:13,063 INFO L226 Difference]: Without dead ends: 19163 [2023-12-16 17:37:13,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 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 17:37:13,088 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 118 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:13,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1243 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19163 states. [2023-12-16 17:37:13,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19163 to 19158. [2023-12-16 17:37:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19158 states, 15832 states have (on average 1.6385800909550279) internal successors, (25942), 15839 states have internal predecessors, (25942), 3291 states have call successors, (3291), 31 states have call predecessors, (3291), 34 states have return successors, (3626), 3289 states have call predecessors, (3626), 3290 states have call successors, (3626) [2023-12-16 17:37:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19158 states to 19158 states and 32859 transitions. [2023-12-16 17:37:13,941 INFO L78 Accepts]: Start accepts. Automaton has 19158 states and 32859 transitions. Word has length 129 [2023-12-16 17:37:13,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:13,941 INFO L495 AbstractCegarLoop]: Abstraction has 19158 states and 32859 transitions. [2023-12-16 17:37:13,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19158 states and 32859 transitions. [2023-12-16 17:37:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-16 17:37:13,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:13,964 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:13,969 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 17:37:14,169 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 17:37:14,170 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:14,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash -666366514, now seen corresponding path program 1 times [2023-12-16 17:37:14,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:14,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982611122] [2023-12-16 17:37:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:14,171 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 17:37:14,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:14,193 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 17:37:14,221 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 17:37:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:14,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:14,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:14,482 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 17:37:14,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:14,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:14,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982611122] [2023-12-16 17:37:14,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982611122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:14,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:14,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:14,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600425440] [2023-12-16 17:37:14,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:14,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:14,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:14,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:14,484 INFO L87 Difference]: Start difference. First operand 19158 states and 32859 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:15,635 INFO L93 Difference]: Finished difference Result 50561 states and 87083 transitions. [2023-12-16 17:37:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:15,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2023-12-16 17:37:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:15,741 INFO L225 Difference]: With dead ends: 50561 [2023-12-16 17:37:15,742 INFO L226 Difference]: Without dead ends: 34155 [2023-12-16 17:37:15,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 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 17:37:15,781 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 116 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:15,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1271 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:15,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34155 states. [2023-12-16 17:37:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34155 to 34150. [2023-12-16 17:37:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34150 states, 28374 states have (on average 1.6358638189892154) internal successors, (46416), 28381 states have internal predecessors, (46416), 5741 states have call successors, (5741), 31 states have call predecessors, (5741), 34 states have return successors, (6350), 5739 states have call predecessors, (6350), 5740 states have call successors, (6350) [2023-12-16 17:37:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34150 states to 34150 states and 58507 transitions. [2023-12-16 17:37:17,308 INFO L78 Accepts]: Start accepts. Automaton has 34150 states and 58507 transitions. Word has length 130 [2023-12-16 17:37:17,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:17,309 INFO L495 AbstractCegarLoop]: Abstraction has 34150 states and 58507 transitions. [2023-12-16 17:37:17,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 34150 states and 58507 transitions. [2023-12-16 17:37:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 17:37:17,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:17,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:17,345 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 (20)] Ended with exit code 0 [2023-12-16 17:37:17,542 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 17:37:17,543 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:17,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash 675323481, now seen corresponding path program 1 times [2023-12-16 17:37:17,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:17,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998295164] [2023-12-16 17:37:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:17,544 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 17:37:17,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:17,550 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 17:37:17,568 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 17:37:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:17,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:17,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:17,814 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 17:37:17,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:17,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998295164] [2023-12-16 17:37:17,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998295164] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:17,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:17,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:17,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114424540] [2023-12-16 17:37:17,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:17,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:17,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:17,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:17,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:17,816 INFO L87 Difference]: Start difference. First operand 34150 states and 58507 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:19,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:19,789 INFO L93 Difference]: Finished difference Result 93048 states and 159960 transitions. [2023-12-16 17:37:19,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:19,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2023-12-16 17:37:19,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:19,994 INFO L225 Difference]: With dead ends: 93048 [2023-12-16 17:37:19,994 INFO L226 Difference]: Without dead ends: 62565 [2023-12-16 17:37:20,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 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 17:37:20,060 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 114 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:20,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1276 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:37:20,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62565 states. [2023-12-16 17:37:22,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62565 to 62560. [2023-12-16 17:37:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62560 states, 52271 states have (on average 1.6320713206175508) internal successors, (85310), 52278 states have internal predecessors, (85310), 10254 states have call successors, (10254), 31 states have call predecessors, (10254), 34 states have return successors, (11395), 10252 states have call predecessors, (11395), 10253 states have call successors, (11395) [2023-12-16 17:37:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62560 states to 62560 states and 106959 transitions. [2023-12-16 17:37:23,192 INFO L78 Accepts]: Start accepts. Automaton has 62560 states and 106959 transitions. Word has length 131 [2023-12-16 17:37:23,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:23,193 INFO L495 AbstractCegarLoop]: Abstraction has 62560 states and 106959 transitions. [2023-12-16 17:37:23,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:23,193 INFO L276 IsEmpty]: Start isEmpty. Operand 62560 states and 106959 transitions. [2023-12-16 17:37:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-16 17:37:23,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:23,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:23,263 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 17:37:23,446 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 17:37:23,446 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:23,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:23,447 INFO L85 PathProgramCache]: Analyzing trace with hash -129553010, now seen corresponding path program 1 times [2023-12-16 17:37:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:23,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641192208] [2023-12-16 17:37:23,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:23,447 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 17:37:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:23,449 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 17:37:23,451 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 17:37:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:23,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:37:23,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:23,724 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 17:37:23,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:37:23,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:23,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641192208] [2023-12-16 17:37:23,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641192208] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:37:23,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:37:23,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:37:23,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773826788] [2023-12-16 17:37:23,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:37:23,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:37:23,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:23,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:37:23,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:37:23,727 INFO L87 Difference]: Start difference. First operand 62560 states and 106959 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:27,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:27,271 INFO L93 Difference]: Finished difference Result 117171 states and 200772 transitions. [2023-12-16 17:37:27,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:37:27,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2023-12-16 17:37:27,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:27,776 INFO L225 Difference]: With dead ends: 117171 [2023-12-16 17:37:27,776 INFO L226 Difference]: Without dead ends: 116928 [2023-12-16 17:37:27,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 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 17:37:27,822 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 112 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:27,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1271 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 17:37:28,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116928 states. [2023-12-16 17:37:32,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116928 to 116923. [2023-12-16 17:37:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116923 states, 98266 states have (on average 1.6271243359859973) internal successors, (159891), 98273 states have internal predecessors, (159891), 18622 states have call successors, (18622), 31 states have call predecessors, (18622), 34 states have return successors, (20809), 18620 states have call predecessors, (20809), 18621 states have call successors, (20809) [2023-12-16 17:37:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116923 states to 116923 states and 199322 transitions. [2023-12-16 17:37:32,929 INFO L78 Accepts]: Start accepts. Automaton has 116923 states and 199322 transitions. Word has length 132 [2023-12-16 17:37:32,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:37:32,930 INFO L495 AbstractCegarLoop]: Abstraction has 116923 states and 199322 transitions. [2023-12-16 17:37:32,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 17:37:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 116923 states and 199322 transitions. [2023-12-16 17:37:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-16 17:37:32,985 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:37:32,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:37:32,994 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 17:37:33,191 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 17:37:33,192 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:37:33,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:37:33,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1517803784, now seen corresponding path program 1 times [2023-12-16 17:37:33,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:37:33,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159877341] [2023-12-16 17:37:33,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:37:33,193 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 17:37:33,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:37:33,194 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 17:37:33,195 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 17:37:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:37:33,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 17:37:33,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:37:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-16 17:37:33,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:37:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 17:37:33,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:37:33,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159877341] [2023-12-16 17:37:33,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159877341] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:37:33,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:37:33,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-16 17:37:33,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588450114] [2023-12-16 17:37:33,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:37:33,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 17:37:33,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:37:33,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 17:37:33,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-12-16 17:37:33,756 INFO L87 Difference]: Start difference. First operand 116923 states and 199322 transitions. Second operand has 16 states, 16 states have (on average 10.375) internal successors, (166), 14 states have internal predecessors, (166), 4 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (27), 6 states have call predecessors, (27), 4 states have call successors, (27) [2023-12-16 17:37:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:37:47,683 INFO L93 Difference]: Finished difference Result 344309 states and 593686 transitions. [2023-12-16 17:37:47,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 17:37:47,692 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 14 states have internal predecessors, (166), 4 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (27), 6 states have call predecessors, (27), 4 states have call successors, (27) Word has length 133 [2023-12-16 17:37:47,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:37:49,423 INFO L225 Difference]: With dead ends: 344309 [2023-12-16 17:37:49,423 INFO L226 Difference]: Without dead ends: 344073 [2023-12-16 17:37:49,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2023-12-16 17:37:49,564 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 2751 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 4870 mSolverCounterSat, 704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 5574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 704 IncrementalHoareTripleChecker+Valid, 4870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:37:49,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 2708 Invalid, 5574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [704 Valid, 4870 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-16 17:37:49,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344073 states. Received shutdown request... [2023-12-16 17:37:57,652 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 17:37:57,652 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 (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 17:37:58,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-16 17:37:58,664 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 17:38:02,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344073 to 233839. [2023-12-16 17:38:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233839 states, 196527 states have (on average 1.6271250260778418) internal successors, (319774), 196540 states have internal predecessors, (319774), 37242 states have call successors, (37242), 61 states have call predecessors, (37242), 69 states have return successors, (45986), 37241 states have call predecessors, (45986), 37240 states have call successors, (45986) [2023-12-16 17:38:02,435 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:38:02,436 WARN L619 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2023-12-16 17:38:02,439 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] [2023-12-16 17:38:02,440 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:38:02,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:38:02 BoogieIcfgContainer [2023-12-16 17:38:02,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:38:02,442 INFO L158 Benchmark]: Toolchain (without parser) took 65255.03ms. Allocated memory was 158.3MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 111.6MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 6.1GB. Max. memory is 8.0GB. [2023-12-16 17:38:02,442 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 158.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:38:02,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 835.55ms. Allocated memory was 158.3MB in the beginning and 226.5MB in the end (delta: 68.2MB). Free memory was 111.3MB in the beginning and 175.2MB in the end (delta: -63.9MB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB. [2023-12-16 17:38:02,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.07ms. Allocated memory is still 226.5MB. Free memory was 175.2MB in the beginning and 168.4MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 17:38:02,442 INFO L158 Benchmark]: Boogie Preprocessor took 84.38ms. Allocated memory is still 226.5MB. Free memory was 168.4MB in the beginning and 160.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-16 17:38:02,443 INFO L158 Benchmark]: RCFGBuilder took 1094.26ms. Allocated memory is still 226.5MB. Free memory was 160.0MB in the beginning and 144.5MB in the end (delta: 15.5MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB. [2023-12-16 17:38:02,443 INFO L158 Benchmark]: TraceAbstraction took 63154.11ms. Allocated memory was 226.5MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 143.9MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 6.1GB. Max. memory is 8.0GB. [2023-12-16 17:38:02,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 158.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 835.55ms. Allocated memory was 158.3MB in the beginning and 226.5MB in the end (delta: 68.2MB). Free memory was 111.3MB in the beginning and 175.2MB in the end (delta: -63.9MB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.07ms. Allocated memory is still 226.5MB. Free memory was 175.2MB in the beginning and 168.4MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 84.38ms. Allocated memory is still 226.5MB. Free memory was 168.4MB in the beginning and 160.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1094.26ms. Allocated memory is still 226.5MB. Free memory was 160.0MB in the beginning and 144.5MB in the end (delta: 15.5MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB. * TraceAbstraction took 63154.11ms. Allocated memory was 226.5MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 143.9MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 6.1GB. 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,"Client.i","") [48] - GenericResultAtLocation [Line: 528]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [528] - GenericResultAtLocation [Line: 571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [571] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] - GenericResultAtLocation [Line: 904]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [904] - GenericResultAtLocation [Line: 939]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [939] - GenericResultAtLocation [Line: 1338]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1338] - GenericResultAtLocation [Line: 1704]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1704] - GenericResultAtLocation [Line: 2764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2764] - GenericResultAtLocation [Line: 2986]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2986] - GenericResultAtLocation [Line: 3121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3121] * 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: 900]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 900). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 434 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.1s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5591 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5267 mSDsluCounter, 38271 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24466 mSDsCounter, 743 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6397 IncrementalHoareTripleChecker+Invalid, 7140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 743 mSolverCounterUnsat, 13805 mSDtfsCounter, 6397 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2894 GetRequests, 2823 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116923occurred in iteration=21, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 25.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 78 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2643 NumberOfCodeBlocks, 2570 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2872 ConstructedInterpolants, 0 QuantifiedInterpolants, 3765 SizeOfPredicates, 30 NumberOfNonLiveVariables, 12569 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 707/723 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 !ENTRY org.eclipse.osgi 4 0 2023-12-16 17:38:02.457 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75befe387/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438)