/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_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:33:15,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:33:15,562 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 17:33:15,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:33:15,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:33:15,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:33:15,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:33:15,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:33:15,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:33:15,601 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:33:15,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:33:15,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:33:15,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:33:15,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:33:15,603 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:33:15,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:33:15,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:33:15,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:33:15,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:33:15,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:33:15,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:33:15,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:33:15,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:33:15,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:33:15,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:33:15,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:33:15,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:33:15,606 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:33:15,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:33:15,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:33:15,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:33:15,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:33:15,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:33:15,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:33:15,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:33:15,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:33:15,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:33:15,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:33:15,609 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:33:15,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:33:15,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:33:15,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:33:15,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:33:15,612 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:33:15,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:33:15,613 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:33:15,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:33:15,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:33:15,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:33:15,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:33:15,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:33:15,872 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:33:15,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c [2023-12-16 17:33:17,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:33:17,402 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:33:17,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c [2023-12-16 17:33:17,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf745e57/d5ddf3044f6145c3ac543e9fb3a65bf3/FLAG07773ed0b [2023-12-16 17:33:17,446 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf745e57/d5ddf3044f6145c3ac543e9fb3a65bf3 [2023-12-16 17:33:17,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:33:17,451 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:33:17,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:33:17,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:33:17,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:33:17,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:33:17" (1/1) ... [2023-12-16 17:33:17,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de34a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:17, skipping insertion in model container [2023-12-16 17:33:17,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:33:17" (1/1) ... [2023-12-16 17:33:17,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:33:17,910 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_spec4_product32.cil.c[32699,32712] [2023-12-16 17:33:18,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:33:18,101 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:33:18,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:33:18,158 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_spec4_product32.cil.c[32699,32712] [2023-12-16 17:33:18,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:33:18,193 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:33:18,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2023-12-16 17:33:18,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] [2023-12-16 17:33:18,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] [2023-12-16 17:33:18,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] [2023-12-16 17:33:18,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] [2023-12-16 17:33:18,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2023-12-16 17:33:18,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] [2023-12-16 17:33:18,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] [2023-12-16 17:33:18,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] [2023-12-16 17:33:18,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] [2023-12-16 17:33:18,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] [2023-12-16 17:33:18,247 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_spec4_product32.cil.c[32699,32712] [2023-12-16 17:33:18,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:33:18,313 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:33:18,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18 WrapperNode [2023-12-16 17:33:18,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:33:18,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:33:18,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:33:18,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:33:18,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,449 INFO L138 Inliner]: procedures = 136, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 925 [2023-12-16 17:33:18,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:33:18,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:33:18,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:33:18,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:33:18,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,500 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 17:33:18,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:33:18,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:33:18,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:33:18,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:33:18,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (1/1) ... [2023-12-16 17:33:18,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:33:18,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:33:18,646 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 17:33:18,670 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 17:33:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 17:33:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 17:33:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 17:33:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 17:33:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-16 17:33:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-16 17:33:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 17:33:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 17:33:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-16 17:33:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-16 17:33:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 17:33:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 17:33:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 17:33:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 17:33:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 17:33:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 17:33:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 17:33:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 17:33:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 17:33:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 17:33:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-16 17:33:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-16 17:33:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 17:33:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 17:33:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 17:33:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 17:33:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 17:33:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 17:33:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 17:33:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 17:33:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:33:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 17:33:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 17:33:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-16 17:33:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-16 17:33:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 17:33:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 17:33:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 17:33:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 17:33:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 17:33:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 17:33:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 17:33:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 17:33:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:33:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 17:33:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-16 17:33:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-16 17:33:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 17:33:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 17:33:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 17:33:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 17:33:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-16 17:33:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-16 17:33:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 17:33:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 17:33:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 17:33:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 17:33:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 17:33:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 17:33:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 17:33:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 17:33:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:33:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:33:18,928 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:33:18,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:33:19,757 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:33:19,845 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:33:19,845 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 17:33:19,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:33:19 BoogieIcfgContainer [2023-12-16 17:33:19,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:33:19,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:33:19,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:33:19,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:33:19,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:33:17" (1/3) ... [2023-12-16 17:33:19,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ace675f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:33:19, skipping insertion in model container [2023-12-16 17:33:19,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:33:18" (2/3) ... [2023-12-16 17:33:19,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ace675f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:33:19, skipping insertion in model container [2023-12-16 17:33:19,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:33:19" (3/3) ... [2023-12-16 17:33:19,855 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2023-12-16 17:33:19,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:33:19,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:33:19,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:33:19,945 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;@5744518d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:33:19,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:33:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 302 states have (on average 1.6026490066225165) internal successors, (484), 307 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-16 17:33:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 17:33:19,989 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:19,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:19,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:19,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:19,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1455891148, now seen corresponding path program 1 times [2023-12-16 17:33:20,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:20,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233841453] [2023-12-16 17:33:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:20,015 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 17:33:20,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:20,018 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 17:33:20,029 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 17:33:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:20,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:33:20,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 17:33:20,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:20,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:20,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233841453] [2023-12-16 17:33:20,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233841453] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:20,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:20,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:33:20,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176462693] [2023-12-16 17:33:20,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:20,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:33:20,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:20,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:33:20,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:33:20,519 INFO L87 Difference]: Start difference. First operand has 397 states, 302 states have (on average 1.6026490066225165) internal successors, (484), 307 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:20,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:20,646 INFO L93 Difference]: Finished difference Result 610 states and 927 transitions. [2023-12-16 17:33:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:33:20,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-12-16 17:33:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:20,668 INFO L225 Difference]: With dead ends: 610 [2023-12-16 17:33:20,668 INFO L226 Difference]: Without dead ends: 394 [2023-12-16 17:33:20,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 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 17:33:20,683 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:20,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-12-16 17:33:20,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2023-12-16 17:33:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 300 states have (on average 1.59) internal successors, (477), 304 states have internal predecessors, (477), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-16 17:33:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 606 transitions. [2023-12-16 17:33:20,767 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 606 transitions. Word has length 110 [2023-12-16 17:33:20,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:20,769 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 606 transitions. [2023-12-16 17:33:20,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 606 transitions. [2023-12-16 17:33:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 17:33:20,780 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:20,781 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:20,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:21,000 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 17:33:21,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:21,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash 404477880, now seen corresponding path program 1 times [2023-12-16 17:33:21,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:21,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208054190] [2023-12-16 17:33:21,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:21,003 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 17:33:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:21,005 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 17:33:21,006 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 17:33:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:21,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:33:21,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-16 17:33:21,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:21,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:21,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208054190] [2023-12-16 17:33:21,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208054190] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:21,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:21,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:33:21,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608510381] [2023-12-16 17:33:21,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:21,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:33:21,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:33:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:33:21,407 INFO L87 Difference]: Start difference. First operand 394 states and 606 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, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:21,568 INFO L93 Difference]: Finished difference Result 783 states and 1206 transitions. [2023-12-16 17:33:21,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:33:21,568 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, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 111 [2023-12-16 17:33:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:21,572 INFO L225 Difference]: With dead ends: 783 [2023-12-16 17:33:21,572 INFO L226 Difference]: Without dead ends: 396 [2023-12-16 17:33:21,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 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 17:33:21,575 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 8 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:21,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2321 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:21,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-16 17:33:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-12-16 17:33:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 301 states have (on average 1.5880398671096345) internal successors, (478), 306 states have internal predecessors, (478), 65 states have call successors, (65), 28 states have call predecessors, (65), 29 states have return successors, (66), 63 states have call predecessors, (66), 64 states have call successors, (66) [2023-12-16 17:33:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 609 transitions. [2023-12-16 17:33:21,596 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 609 transitions. Word has length 111 [2023-12-16 17:33:21,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:21,596 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 609 transitions. [2023-12-16 17:33:21,597 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, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 609 transitions. [2023-12-16 17:33:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 17:33:21,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:21,599 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-16 17:33:21,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:21,806 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 17:33:21,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:21,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1724861308, now seen corresponding path program 1 times [2023-12-16 17:33:21,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:21,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810211766] [2023-12-16 17:33:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:21,809 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 17:33:21,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:21,810 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 17:33:21,811 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 17:33:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:22,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:33:22,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-16 17:33:22,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:22,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:22,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810211766] [2023-12-16 17:33:22,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810211766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:22,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:22,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:33:22,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330827417] [2023-12-16 17:33:22,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:22,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:33:22,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:22,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:33:22,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:33:22,174 INFO L87 Difference]: Start difference. First operand 396 states and 609 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:22,345 INFO L93 Difference]: Finished difference Result 785 states and 1210 transitions. [2023-12-16 17:33:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:33:22,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 112 [2023-12-16 17:33:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:22,350 INFO L225 Difference]: With dead ends: 785 [2023-12-16 17:33:22,350 INFO L226 Difference]: Without dead ends: 398 [2023-12-16 17:33:22,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 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 17:33:22,354 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 8 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2307 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:22,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2307 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:22,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-12-16 17:33:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-12-16 17:33:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 302 states have (on average 1.586092715231788) internal successors, (479), 308 states have internal predecessors, (479), 65 states have call successors, (65), 28 states have call predecessors, (65), 30 states have return successors, (70), 63 states have call predecessors, (70), 64 states have call successors, (70) [2023-12-16 17:33:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 614 transitions. [2023-12-16 17:33:22,376 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 614 transitions. Word has length 112 [2023-12-16 17:33:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:22,376 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 614 transitions. [2023-12-16 17:33:22,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 614 transitions. [2023-12-16 17:33:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 17:33:22,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:22,378 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:22,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:22,579 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 17:33:22,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:22,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:22,580 INFO L85 PathProgramCache]: Analyzing trace with hash -650424060, now seen corresponding path program 1 times [2023-12-16 17:33:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:22,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769888276] [2023-12-16 17:33:22,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:22,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:33:22,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:22,583 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 17:33:22,586 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 17:33:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:22,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:33:22,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 17:33:22,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:22,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:22,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769888276] [2023-12-16 17:33:22,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769888276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:22,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:22,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:33:22,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768602837] [2023-12-16 17:33:22,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:22,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:33:22,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:22,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:33:22,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:33:22,939 INFO L87 Difference]: Start difference. First operand 398 states and 614 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 17:33:23,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:23,070 INFO L93 Difference]: Finished difference Result 777 states and 1200 transitions. [2023-12-16 17:33:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:33:23,071 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 131 [2023-12-16 17:33:23,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:23,074 INFO L225 Difference]: With dead ends: 777 [2023-12-16 17:33:23,074 INFO L226 Difference]: Without dead ends: 398 [2023-12-16 17:33:23,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 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 17:33:23,076 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 8 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:23,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2321 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-12-16 17:33:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-12-16 17:33:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 302 states have (on average 1.586092715231788) internal successors, (479), 308 states have internal predecessors, (479), 65 states have call successors, (65), 28 states have call predecessors, (65), 30 states have return successors, (69), 63 states have call predecessors, (69), 64 states have call successors, (69) [2023-12-16 17:33:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 613 transitions. [2023-12-16 17:33:23,094 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 613 transitions. Word has length 131 [2023-12-16 17:33:23,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:23,095 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 613 transitions. [2023-12-16 17:33:23,095 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, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 17:33:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 613 transitions. [2023-12-16 17:33:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-16 17:33:23,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:23,097 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:23,106 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 17:33:23,306 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 17:33:23,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:23,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash -855007065, now seen corresponding path program 1 times [2023-12-16 17:33:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:23,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361440056] [2023-12-16 17:33:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:23,308 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 17:33:23,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:23,309 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 17:33:23,310 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 17:33:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:23,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 17:33:23,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 17:33:23,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:23,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361440056] [2023-12-16 17:33:23,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361440056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:23,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:23,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:33:23,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724541546] [2023-12-16 17:33:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:23,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:33:23,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:33:23,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:33:23,629 INFO L87 Difference]: Start difference. First operand 398 states and 613 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:23,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:23,751 INFO L93 Difference]: Finished difference Result 779 states and 1203 transitions. [2023-12-16 17:33:23,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:33:23,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 114 [2023-12-16 17:33:23,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:23,755 INFO L225 Difference]: With dead ends: 779 [2023-12-16 17:33:23,756 INFO L226 Difference]: Without dead ends: 400 [2023-12-16 17:33:23,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 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 17:33:23,758 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 6 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:23,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2323 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-16 17:33:23,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2023-12-16 17:33:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 303 states have (on average 1.5841584158415842) internal successors, (480), 310 states have internal predecessors, (480), 65 states have call successors, (65), 28 states have call predecessors, (65), 31 states have return successors, (71), 63 states have call predecessors, (71), 64 states have call successors, (71) [2023-12-16 17:33:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 616 transitions. [2023-12-16 17:33:23,783 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 616 transitions. Word has length 114 [2023-12-16 17:33:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:23,783 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 616 transitions. [2023-12-16 17:33:23,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 616 transitions. [2023-12-16 17:33:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-16 17:33:23,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:23,786 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:23,797 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 17:33:23,994 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 17:33:23,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:23,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1039753922, now seen corresponding path program 1 times [2023-12-16 17:33:23,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:23,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730930905] [2023-12-16 17:33:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:23,997 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 17:33:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:23,998 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 17:33:24,000 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 17:33:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:24,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:33:24,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-16 17:33:24,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:24,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:24,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730930905] [2023-12-16 17:33:24,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730930905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:24,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:24,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:33:24,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613417401] [2023-12-16 17:33:24,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:24,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:33:24,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:24,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:33:24,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:33:24,291 INFO L87 Difference]: Start difference. First operand 400 states and 616 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:24,429 INFO L93 Difference]: Finished difference Result 777 states and 1198 transitions. [2023-12-16 17:33:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:33:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 115 [2023-12-16 17:33:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:24,433 INFO L225 Difference]: With dead ends: 777 [2023-12-16 17:33:24,433 INFO L226 Difference]: Without dead ends: 400 [2023-12-16 17:33:24,434 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 17:33:24,435 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 8 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:24,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2308 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-16 17:33:24,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2023-12-16 17:33:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 303 states have (on average 1.5841584158415842) internal successors, (480), 310 states have internal predecessors, (480), 65 states have call successors, (65), 28 states have call predecessors, (65), 31 states have return successors, (70), 63 states have call predecessors, (70), 64 states have call successors, (70) [2023-12-16 17:33:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 615 transitions. [2023-12-16 17:33:24,451 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 615 transitions. Word has length 115 [2023-12-16 17:33:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:24,451 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 615 transitions. [2023-12-16 17:33:24,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 615 transitions. [2023-12-16 17:33:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 17:33:24,454 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:24,454 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:24,466 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 (7)] Ended with exit code 0 [2023-12-16 17:33:24,661 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 17:33:24,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:24,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash -2014235133, now seen corresponding path program 2 times [2023-12-16 17:33:24,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:24,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915664755] [2023-12-16 17:33:24,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 17:33:24,663 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 17:33:24,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:24,665 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 17:33:24,667 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 17:33:24,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-16 17:33:24,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 17:33:24,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:24,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:24,867 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:24,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:24,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915664755] [2023-12-16 17:33:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915664755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:24,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:24,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:24,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348532142] [2023-12-16 17:33:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:24,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:24,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:24,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:24,869 INFO L87 Difference]: Start difference. First operand 400 states and 615 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:24,916 INFO L93 Difference]: Finished difference Result 612 states and 920 transitions. [2023-12-16 17:33:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:24,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2023-12-16 17:33:24,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:24,919 INFO L225 Difference]: With dead ends: 612 [2023-12-16 17:33:24,919 INFO L226 Difference]: Without dead ends: 402 [2023-12-16 17:33:24,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:24,921 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:24,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1183 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-12-16 17:33:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2023-12-16 17:33:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 305 states have (on average 1.580327868852459) internal successors, (482), 312 states have internal predecessors, (482), 65 states have call successors, (65), 28 states have call predecessors, (65), 31 states have return successors, (70), 63 states have call predecessors, (70), 64 states have call successors, (70) [2023-12-16 17:33:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 617 transitions. [2023-12-16 17:33:24,933 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 617 transitions. Word has length 116 [2023-12-16 17:33:24,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:24,934 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 617 transitions. [2023-12-16 17:33:24,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 617 transitions. [2023-12-16 17:33:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-16 17:33:24,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:24,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:24,947 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 17:33:25,140 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 17:33:25,141 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:25,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:25,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1304250370, now seen corresponding path program 1 times [2023-12-16 17:33:25,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:25,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811201747] [2023-12-16 17:33:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:25,142 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 17:33:25,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:25,144 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 17:33:25,145 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 17:33:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:25,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:33:25,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-16 17:33:25,447 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:25,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:25,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811201747] [2023-12-16 17:33:25,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811201747] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:25,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:25,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:33:25,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243845364] [2023-12-16 17:33:25,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:25,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 17:33:25,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:25,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 17:33:25,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:33:25,449 INFO L87 Difference]: Start difference. First operand 402 states and 617 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 17:33:25,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:25,599 INFO L93 Difference]: Finished difference Result 783 states and 1207 transitions. [2023-12-16 17:33:25,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:33:25,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 141 [2023-12-16 17:33:25,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:25,603 INFO L225 Difference]: With dead ends: 783 [2023-12-16 17:33:25,603 INFO L226 Difference]: Without dead ends: 404 [2023-12-16 17:33:25,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:33:25,607 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 6 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:25,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2310 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:25,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2023-12-16 17:33:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2023-12-16 17:33:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 306 states have (on average 1.5784313725490196) internal successors, (483), 314 states have internal predecessors, (483), 65 states have call successors, (65), 28 states have call predecessors, (65), 32 states have return successors, (74), 63 states have call predecessors, (74), 64 states have call successors, (74) [2023-12-16 17:33:25,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 622 transitions. [2023-12-16 17:33:25,623 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 622 transitions. Word has length 141 [2023-12-16 17:33:25,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:25,623 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 622 transitions. [2023-12-16 17:33:25,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 17:33:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 622 transitions. [2023-12-16 17:33:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-16 17:33:25,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:25,626 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:25,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:25,834 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 17:33:25,834 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:25,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:25,835 INFO L85 PathProgramCache]: Analyzing trace with hash -770207661, now seen corresponding path program 1 times [2023-12-16 17:33:25,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:25,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050475673] [2023-12-16 17:33:25,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:25,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:33:25,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:25,837 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 17:33:25,845 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 17:33:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:26,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:26,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:26,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:26,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:26,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050475673] [2023-12-16 17:33:26,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050475673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:26,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:26,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:26,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756584468] [2023-12-16 17:33:26,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:26,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:26,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:26,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:26,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:26,120 INFO L87 Difference]: Start difference. First operand 404 states and 622 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:26,190 INFO L93 Difference]: Finished difference Result 852 states and 1330 transitions. [2023-12-16 17:33:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:26,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2023-12-16 17:33:26,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:26,194 INFO L225 Difference]: With dead ends: 852 [2023-12-16 17:33:26,194 INFO L226 Difference]: Without dead ends: 474 [2023-12-16 17:33:26,195 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 17:33:26,196 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 129 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:26,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1148 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:26,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-12-16 17:33:26,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 469. [2023-12-16 17:33:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 357 states have (on average 1.596638655462185) internal successors, (570), 365 states have internal predecessors, (570), 79 states have call successors, (79), 28 states have call predecessors, (79), 32 states have return successors, (90), 77 states have call predecessors, (90), 78 states have call successors, (90) [2023-12-16 17:33:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 739 transitions. [2023-12-16 17:33:26,234 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 739 transitions. Word has length 124 [2023-12-16 17:33:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:26,235 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 739 transitions. [2023-12-16 17:33:26,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 739 transitions. [2023-12-16 17:33:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-16 17:33:26,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:26,238 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:26,248 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 17:33:26,446 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 17:33:26,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:26,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1815142329, now seen corresponding path program 1 times [2023-12-16 17:33:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457699339] [2023-12-16 17:33:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:26,448 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 17:33:26,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:26,449 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 17:33:26,449 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 17:33:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:26,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:33:26,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 17:33:26,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:26,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457699339] [2023-12-16 17:33:26,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457699339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:26,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:26,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:33:26,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276423993] [2023-12-16 17:33:26,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:26,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:33:26,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:26,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:33:26,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:33:26,766 INFO L87 Difference]: Start difference. First operand 469 states and 739 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:26,871 INFO L93 Difference]: Finished difference Result 930 states and 1456 transitions. [2023-12-16 17:33:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:33:26,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2023-12-16 17:33:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:26,874 INFO L225 Difference]: With dead ends: 930 [2023-12-16 17:33:26,875 INFO L226 Difference]: Without dead ends: 485 [2023-12-16 17:33:26,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 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 17:33:26,876 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 567 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:26,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1201 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:33:26,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-12-16 17:33:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 477. [2023-12-16 17:33:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 364 states have (on average 1.5824175824175823) internal successors, (576), 371 states have internal predecessors, (576), 79 states have call successors, (79), 30 states have call predecessors, (79), 33 states have return successors, (86), 77 states have call predecessors, (86), 78 states have call successors, (86) [2023-12-16 17:33:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 741 transitions. [2023-12-16 17:33:26,895 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 741 transitions. Word has length 125 [2023-12-16 17:33:26,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:26,895 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 741 transitions. [2023-12-16 17:33:26,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 17:33:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 741 transitions. [2023-12-16 17:33:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-16 17:33:26,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:26,898 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:26,907 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 17:33:27,105 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 17:33:27,105 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:27,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:27,106 INFO L85 PathProgramCache]: Analyzing trace with hash 536429116, now seen corresponding path program 1 times [2023-12-16 17:33:27,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:27,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645152690] [2023-12-16 17:33:27,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:27,106 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 17:33:27,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:27,107 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 17:33:27,108 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 17:33:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:27,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 17:33:27,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:27,391 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:33:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:27,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:27,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645152690] [2023-12-16 17:33:27,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645152690] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:33:27,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:33:27,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-16 17:33:27,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657639828] [2023-12-16 17:33:27,457 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:33:27,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:33:27,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:27,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:33:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:33:27,459 INFO L87 Difference]: Start difference. First operand 477 states and 741 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-16 17:33:27,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:27,748 INFO L93 Difference]: Finished difference Result 1102 states and 1775 transitions. [2023-12-16 17:33:27,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 17:33:27,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 126 [2023-12-16 17:33:27,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:27,755 INFO L225 Difference]: With dead ends: 1102 [2023-12-16 17:33:27,755 INFO L226 Difference]: Without dead ends: 892 [2023-12-16 17:33:27,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 246 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 17:33:27,757 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 548 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:27,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2086 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 17:33:27,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2023-12-16 17:33:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 877. [2023-12-16 17:33:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 685 states have (on average 1.6291970802919709) internal successors, (1116), 692 states have internal predecessors, (1116), 158 states have call successors, (158), 30 states have call predecessors, (158), 33 states have return successors, (175), 156 states have call predecessors, (175), 157 states have call successors, (175) [2023-12-16 17:33:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1449 transitions. [2023-12-16 17:33:27,825 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1449 transitions. Word has length 126 [2023-12-16 17:33:27,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:27,825 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1449 transitions. [2023-12-16 17:33:27,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-16 17:33:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1449 transitions. [2023-12-16 17:33:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-16 17:33:27,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:27,832 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:27,843 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 17:33:28,039 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 17:33:28,040 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:28,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:28,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1361474097, now seen corresponding path program 1 times [2023-12-16 17:33:28,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:28,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731705098] [2023-12-16 17:33:28,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:28,041 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 17:33:28,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:28,043 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 17:33:28,047 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 17:33:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:28,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:28,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:33:28,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:28,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:28,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731705098] [2023-12-16 17:33:28,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731705098] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:28,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:28,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:28,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179379338] [2023-12-16 17:33:28,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:28,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:28,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:28,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:28,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:28,350 INFO L87 Difference]: Start difference. First operand 877 states and 1449 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:28,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:28,450 INFO L93 Difference]: Finished difference Result 2065 states and 3476 transitions. [2023-12-16 17:33:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:28,451 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2023-12-16 17:33:28,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:28,458 INFO L225 Difference]: With dead ends: 2065 [2023-12-16 17:33:28,458 INFO L226 Difference]: Without dead ends: 1264 [2023-12-16 17:33:28,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 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 17:33:28,463 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 123 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:28,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1180 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2023-12-16 17:33:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1259. [2023-12-16 17:33:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 988 states have (on average 1.6477732793522266) internal successors, (1628), 995 states have internal predecessors, (1628), 237 states have call successors, (237), 30 states have call predecessors, (237), 33 states have return successors, (264), 235 states have call predecessors, (264), 236 states have call successors, (264) [2023-12-16 17:33:28,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 2129 transitions. [2023-12-16 17:33:28,532 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 2129 transitions. Word has length 147 [2023-12-16 17:33:28,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:28,532 INFO L495 AbstractCegarLoop]: Abstraction has 1259 states and 2129 transitions. [2023-12-16 17:33:28,532 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2129 transitions. [2023-12-16 17:33:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-16 17:33:28,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:28,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:28,550 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 17:33:28,750 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 17:33:28,751 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:28,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:28,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1029874567, now seen corresponding path program 1 times [2023-12-16 17:33:28,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:28,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26986103] [2023-12-16 17:33:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:28,752 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 17:33:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:28,753 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 17:33:28,754 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 17:33:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:29,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:29,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:29,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:29,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:29,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26986103] [2023-12-16 17:33:29,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26986103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:29,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:29,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:29,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101704567] [2023-12-16 17:33:29,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:29,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:29,029 INFO L87 Difference]: Start difference. First operand 1259 states and 2129 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:29,143 INFO L93 Difference]: Finished difference Result 3011 states and 5131 transitions. [2023-12-16 17:33:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:29,144 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2023-12-16 17:33:29,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:29,154 INFO L225 Difference]: With dead ends: 3011 [2023-12-16 17:33:29,154 INFO L226 Difference]: Without dead ends: 1878 [2023-12-16 17:33:29,159 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 17:33:29,160 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 121 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:29,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1174 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:29,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2023-12-16 17:33:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1873. [2023-12-16 17:33:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1873 states, 1483 states have (on average 1.6540795684423466) internal successors, (2453), 1490 states have internal predecessors, (2453), 356 states have call successors, (356), 30 states have call predecessors, (356), 33 states have return successors, (383), 354 states have call predecessors, (383), 355 states have call successors, (383) [2023-12-16 17:33:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 3192 transitions. [2023-12-16 17:33:29,303 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 3192 transitions. Word has length 130 [2023-12-16 17:33:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:29,304 INFO L495 AbstractCegarLoop]: Abstraction has 1873 states and 3192 transitions. [2023-12-16 17:33:29,304 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 3192 transitions. [2023-12-16 17:33:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-16 17:33:29,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:29,318 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:29,331 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 17:33:29,526 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 17:33:29,527 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:29,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:29,527 INFO L85 PathProgramCache]: Analyzing trace with hash -521862625, now seen corresponding path program 1 times [2023-12-16 17:33:29,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:29,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104926135] [2023-12-16 17:33:29,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:29,528 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 17:33:29,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:29,529 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 17:33:29,530 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 17:33:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:29,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:29,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:33:29,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:29,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104926135] [2023-12-16 17:33:29,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104926135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:29,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:29,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:29,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051771012] [2023-12-16 17:33:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:29,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:29,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:29,816 INFO L87 Difference]: Start difference. First operand 1873 states and 3192 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:29,947 INFO L93 Difference]: Finished difference Result 4440 states and 7635 transitions. [2023-12-16 17:33:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:29,947 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2023-12-16 17:33:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:29,964 INFO L225 Difference]: With dead ends: 4440 [2023-12-16 17:33:29,964 INFO L226 Difference]: Without dead ends: 2819 [2023-12-16 17:33:29,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 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 17:33:29,973 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 119 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:29,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1166 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2023-12-16 17:33:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2814. [2023-12-16 17:33:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2262 states have (on average 1.6595932802829354) internal successors, (3754), 2269 states have internal predecessors, (3754), 518 states have call successors, (518), 30 states have call predecessors, (518), 33 states have return successors, (561), 516 states have call predecessors, (561), 517 states have call successors, (561) [2023-12-16 17:33:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 4833 transitions. [2023-12-16 17:33:30,148 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 4833 transitions. Word has length 149 [2023-12-16 17:33:30,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:30,148 INFO L495 AbstractCegarLoop]: Abstraction has 2814 states and 4833 transitions. [2023-12-16 17:33:30,148 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 4833 transitions. [2023-12-16 17:33:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-16 17:33:30,165 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:30,165 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:30,183 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 17:33:30,383 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 17:33:30,384 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:30,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 910485903, now seen corresponding path program 1 times [2023-12-16 17:33:30,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:30,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778940790] [2023-12-16 17:33:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:30,385 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 17:33:30,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:30,386 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 17:33:30,422 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 17:33:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:30,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:30,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:33:30,679 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:30,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:30,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778940790] [2023-12-16 17:33:30,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778940790] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:30,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:30,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:30,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933200739] [2023-12-16 17:33:30,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:30,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:30,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:30,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:30,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:30,682 INFO L87 Difference]: Start difference. First operand 2814 states and 4833 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:30,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:30,888 INFO L93 Difference]: Finished difference Result 6694 states and 11592 transitions. [2023-12-16 17:33:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:30,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2023-12-16 17:33:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:30,910 INFO L225 Difference]: With dead ends: 6694 [2023-12-16 17:33:30,911 INFO L226 Difference]: Without dead ends: 4338 [2023-12-16 17:33:30,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 17:33:30,922 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 117 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:30,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1166 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:30,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4338 states. [2023-12-16 17:33:31,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4338 to 4333. [2023-12-16 17:33:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4333 states, 3536 states have (on average 1.6637443438914028) internal successors, (5883), 3543 states have internal predecessors, (5883), 763 states have call successors, (763), 30 states have call predecessors, (763), 33 states have return successors, (832), 761 states have call predecessors, (832), 762 states have call successors, (832) [2023-12-16 17:33:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4333 states to 4333 states and 7478 transitions. [2023-12-16 17:33:31,178 INFO L78 Accepts]: Start accepts. Automaton has 4333 states and 7478 transitions. Word has length 150 [2023-12-16 17:33:31,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:31,178 INFO L495 AbstractCegarLoop]: Abstraction has 4333 states and 7478 transitions. [2023-12-16 17:33:31,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4333 states and 7478 transitions. [2023-12-16 17:33:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-16 17:33:31,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:31,199 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:31,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:31,407 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 17:33:31,407 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:31,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash 502607419, now seen corresponding path program 1 times [2023-12-16 17:33:31,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:31,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259134471] [2023-12-16 17:33:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:31,409 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 17:33:31,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:31,410 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 17:33:31,412 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 17:33:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:31,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:31,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:33:31,703 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:31,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:31,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259134471] [2023-12-16 17:33:31,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259134471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:31,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:31,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:31,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097530695] [2023-12-16 17:33:31,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:31,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:31,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:31,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:31,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:31,705 INFO L87 Difference]: Start difference. First operand 4333 states and 7478 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:31,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:31,999 INFO L93 Difference]: Finished difference Result 10716 states and 18610 transitions. [2023-12-16 17:33:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:32,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2023-12-16 17:33:32,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:32,051 INFO L225 Difference]: With dead ends: 10716 [2023-12-16 17:33:32,052 INFO L226 Difference]: Without dead ends: 7076 [2023-12-16 17:33:32,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 17:33:32,070 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 115 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:32,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1185 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:32,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7076 states. [2023-12-16 17:33:32,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7076 to 7071. [2023-12-16 17:33:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7071 states, 5781 states have (on average 1.6594014876318977) internal successors, (9593), 5788 states have internal predecessors, (9593), 1256 states have call successors, (1256), 30 states have call predecessors, (1256), 33 states have return successors, (1369), 1254 states have call predecessors, (1369), 1255 states have call successors, (1369) [2023-12-16 17:33:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7071 states to 7071 states and 12218 transitions. [2023-12-16 17:33:32,514 INFO L78 Accepts]: Start accepts. Automaton has 7071 states and 12218 transitions. Word has length 151 [2023-12-16 17:33:32,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:32,514 INFO L495 AbstractCegarLoop]: Abstraction has 7071 states and 12218 transitions. [2023-12-16 17:33:32,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7071 states and 12218 transitions. [2023-12-16 17:33:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-16 17:33:32,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:32,546 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:32,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:32,755 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 17:33:32,756 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:32,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:32,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1472860436, now seen corresponding path program 1 times [2023-12-16 17:33:32,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:32,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762798287] [2023-12-16 17:33:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:32,757 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 17:33:32,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:32,759 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 17:33:32,796 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 17:33:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:33,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:33,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:33,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:33,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:33,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762798287] [2023-12-16 17:33:33,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762798287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:33,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:33,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150506109] [2023-12-16 17:33:33,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:33,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:33,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:33,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:33,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:33,048 INFO L87 Difference]: Start difference. First operand 7071 states and 12218 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:33,549 INFO L93 Difference]: Finished difference Result 17863 states and 31078 transitions. [2023-12-16 17:33:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:33,550 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2023-12-16 17:33:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:33,596 INFO L225 Difference]: With dead ends: 17863 [2023-12-16 17:33:33,596 INFO L226 Difference]: Without dead ends: 11866 [2023-12-16 17:33:33,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:33,620 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 113 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:33,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1173 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:33,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11866 states. [2023-12-16 17:33:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11866 to 11861. [2023-12-16 17:33:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11861 states, 9749 states have (on average 1.6593496768899374) internal successors, (16177), 9756 states have internal predecessors, (16177), 2078 states have call successors, (2078), 30 states have call predecessors, (2078), 33 states have return successors, (2269), 2076 states have call predecessors, (2269), 2077 states have call successors, (2269) [2023-12-16 17:33:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11861 states to 11861 states and 20524 transitions. [2023-12-16 17:33:34,265 INFO L78 Accepts]: Start accepts. Automaton has 11861 states and 20524 transitions. Word has length 134 [2023-12-16 17:33:34,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:34,265 INFO L495 AbstractCegarLoop]: Abstraction has 11861 states and 20524 transitions. [2023-12-16 17:33:34,266 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 11861 states and 20524 transitions. [2023-12-16 17:33:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-16 17:33:34,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:34,333 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:34,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:34,542 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 17:33:34,543 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:34,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:34,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1230066454, now seen corresponding path program 1 times [2023-12-16 17:33:34,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:34,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388932078] [2023-12-16 17:33:34,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:34,544 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 17:33:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:34,546 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 17:33:34,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-16 17:33:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:34,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:34,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:34,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:34,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:34,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388932078] [2023-12-16 17:33:34,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388932078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:34,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:34,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:34,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965280552] [2023-12-16 17:33:34,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:34,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:34,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:34,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:34,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:34,825 INFO L87 Difference]: Start difference. First operand 11861 states and 20524 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:35,726 INFO L93 Difference]: Finished difference Result 28304 states and 48930 transitions. [2023-12-16 17:33:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:35,726 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2023-12-16 17:33:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:35,803 INFO L225 Difference]: With dead ends: 28304 [2023-12-16 17:33:35,803 INFO L226 Difference]: Without dead ends: 18466 [2023-12-16 17:33:35,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 17:33:35,847 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 111 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:35,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1146 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18466 states. [2023-12-16 17:33:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18466 to 18461. [2023-12-16 17:33:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18461 states, 15146 states have (on average 1.634094810511026) internal successors, (24750), 15153 states have internal predecessors, (24750), 3281 states have call successors, (3281), 30 states have call predecessors, (3281), 33 states have return successors, (3616), 3279 states have call predecessors, (3616), 3280 states have call successors, (3616) [2023-12-16 17:33:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18461 states to 18461 states and 31647 transitions. [2023-12-16 17:33:36,923 INFO L78 Accepts]: Start accepts. Automaton has 18461 states and 31647 transitions. Word has length 135 [2023-12-16 17:33:36,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:36,924 INFO L495 AbstractCegarLoop]: Abstraction has 18461 states and 31647 transitions. [2023-12-16 17:33:36,924 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 18461 states and 31647 transitions. [2023-12-16 17:33:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-16 17:33:36,991 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:36,991 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:37,003 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 17:33:37,198 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 17:33:37,199 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:37,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:37,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1155671724, now seen corresponding path program 1 times [2023-12-16 17:33:37,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:37,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069922138] [2023-12-16 17:33:37,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:37,200 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 17:33:37,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:37,202 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 17:33:37,210 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 17:33:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:37,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:37,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:33:37,523 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:37,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:37,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069922138] [2023-12-16 17:33:37,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069922138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:37,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:37,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:37,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617599947] [2023-12-16 17:33:37,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:37,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:37,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:37,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:37,527 INFO L87 Difference]: Start difference. First operand 18461 states and 31647 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:39,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:39,046 INFO L93 Difference]: Finished difference Result 48735 states and 83903 transitions. [2023-12-16 17:33:39,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:39,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2023-12-16 17:33:39,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:39,204 INFO L225 Difference]: With dead ends: 48735 [2023-12-16 17:33:39,204 INFO L226 Difference]: Without dead ends: 32910 [2023-12-16 17:33:39,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 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 17:33:39,249 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 109 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:39,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1169 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32910 states. [2023-12-16 17:33:40,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32910 to 32905. [2023-12-16 17:33:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32905 states, 27140 states have (on average 1.6309874723655122) internal successors, (44265), 27147 states have internal predecessors, (44265), 5731 states have call successors, (5731), 30 states have call predecessors, (5731), 33 states have return successors, (6340), 5729 states have call predecessors, (6340), 5730 states have call successors, (6340) [2023-12-16 17:33:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32905 states to 32905 states and 56336 transitions. [2023-12-16 17:33:41,037 INFO L78 Accepts]: Start accepts. Automaton has 32905 states and 56336 transitions. Word has length 154 [2023-12-16 17:33:41,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:41,037 INFO L495 AbstractCegarLoop]: Abstraction has 32905 states and 56336 transitions. [2023-12-16 17:33:41,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32905 states and 56336 transitions. [2023-12-16 17:33:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 17:33:41,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:41,086 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:41,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-16 17:33:41,296 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 17:33:41,297 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:41,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:41,297 INFO L85 PathProgramCache]: Analyzing trace with hash 406994199, now seen corresponding path program 1 times [2023-12-16 17:33:41,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:41,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644216249] [2023-12-16 17:33:41,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:41,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:33:41,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:41,299 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 17:33:41,334 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 17:33:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:41,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:41,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-16 17:33:41,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:41,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:41,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644216249] [2023-12-16 17:33:41,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644216249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:41,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:41,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:41,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453343113] [2023-12-16 17:33:41,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:41,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:41,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:41,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:41,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:41,620 INFO L87 Difference]: Start difference. First operand 32905 states and 56336 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:44,174 INFO L93 Difference]: Finished difference Result 89642 states and 154015 transitions. [2023-12-16 17:33:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:44,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2023-12-16 17:33:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:44,442 INFO L225 Difference]: With dead ends: 89642 [2023-12-16 17:33:44,442 INFO L226 Difference]: Without dead ends: 60256 [2023-12-16 17:33:44,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 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 17:33:44,517 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 107 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:44,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1170 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60256 states. [2023-12-16 17:33:47,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60256 to 60251. [2023-12-16 17:33:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60251 states, 49973 states have (on average 1.6268184819802693) internal successors, (81297), 49980 states have internal predecessors, (81297), 10244 states have call successors, (10244), 30 states have call predecessors, (10244), 33 states have return successors, (11385), 10242 states have call predecessors, (11385), 10243 states have call successors, (11385) [2023-12-16 17:33:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60251 states to 60251 states and 102926 transitions. [2023-12-16 17:33:47,775 INFO L78 Accepts]: Start accepts. Automaton has 60251 states and 102926 transitions. Word has length 155 [2023-12-16 17:33:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:47,776 INFO L495 AbstractCegarLoop]: Abstraction has 60251 states and 102926 transitions. [2023-12-16 17:33:47,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 17:33:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 60251 states and 102926 transitions. [2023-12-16 17:33:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-16 17:33:47,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:47,839 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:47,851 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 17:33:48,049 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 17:33:48,049 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:48,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:48,050 INFO L85 PathProgramCache]: Analyzing trace with hash -287950899, now seen corresponding path program 1 times [2023-12-16 17:33:48,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:48,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240817493] [2023-12-16 17:33:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:48,051 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 17:33:48,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:48,052 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 17:33:48,068 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 17:33:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:48,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:33:48,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 17:33:48,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:33:48,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:48,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240817493] [2023-12-16 17:33:48,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240817493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:33:48,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:33:48,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:33:48,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160862541] [2023-12-16 17:33:48,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:33:48,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:33:48,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:48,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:33:48,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:33:48,348 INFO L87 Difference]: Start difference. First operand 60251 states and 102926 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:51,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:33:51,644 INFO L93 Difference]: Finished difference Result 112737 states and 193028 transitions. [2023-12-16 17:33:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:33:51,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2023-12-16 17:33:51,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:33:52,071 INFO L225 Difference]: With dead ends: 112737 [2023-12-16 17:33:52,072 INFO L226 Difference]: Without dead ends: 112527 [2023-12-16 17:33:52,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 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 17:33:52,121 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 105 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:33:52,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1172 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:33:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112527 states. [2023-12-16 17:33:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112527 to 112522. [2023-12-16 17:33:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112522 states, 93876 states have (on average 1.6214687460053687) internal successors, (152217), 93883 states have internal predecessors, (152217), 18612 states have call successors, (18612), 30 states have call predecessors, (18612), 33 states have return successors, (20799), 18610 states have call predecessors, (20799), 18611 states have call successors, (20799) [2023-12-16 17:33:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112522 states to 112522 states and 191628 transitions. [2023-12-16 17:33:56,970 INFO L78 Accepts]: Start accepts. Automaton has 112522 states and 191628 transitions. Word has length 138 [2023-12-16 17:33:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:33:56,971 INFO L495 AbstractCegarLoop]: Abstraction has 112522 states and 191628 transitions. [2023-12-16 17:33:56,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 17:33:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 112522 states and 191628 transitions. [2023-12-16 17:33:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-16 17:33:57,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:33:57,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:33:57,484 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 17:33:57,660 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 17:33:57,660 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:33:57,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:33:57,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1257139695, now seen corresponding path program 1 times [2023-12-16 17:33:57,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:33:57,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309198269] [2023-12-16 17:33:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:33:57,662 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 17:33:57,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:33:57,665 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 17:33:57,680 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 17:33:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:33:57,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 17:33:57,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:33:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-16 17:33:58,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 17:33:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 17:33:58,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:33:58,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309198269] [2023-12-16 17:33:58,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309198269] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 17:33:58,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 17:33:58,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-16 17:33:58,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046186413] [2023-12-16 17:33:58,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 17:33:58,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 17:33:58,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:33:58,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 17:33:58,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-12-16 17:33:58,373 INFO L87 Difference]: Start difference. First operand 112522 states and 191628 transitions. Second operand has 16 states, 16 states have (on average 10.75) internal successors, (172), 14 states have internal predecessors, (172), 4 states have call successors, (33), 6 states have call predecessors, (33), 9 states have return successors, (29), 6 states have call predecessors, (29), 4 states have call successors, (29) Received shutdown request... [2023-12-16 17:34:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 17:34:10,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2023-12-16 17:34:10,061 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1775 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 4431 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 2717 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 4431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-16 17:34:10,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1847 Valid, 2717 Invalid, 4789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 4431 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-16 17:34:10,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:34:10,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2023-12-16 17:34:10,096 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 17:34:10,096 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 17:34:10,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:34:10,264 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (112522states) and FLOYD_HOARE automaton (currently 18 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (229393 states constructed, input type IntersectNwa). [2023-12-16 17:34:10,268 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:34:10,270 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:34:10,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:34:10 BoogieIcfgContainer [2023-12-16 17:34:10,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:34:10,272 INFO L158 Benchmark]: Toolchain (without parser) took 52821.24ms. Allocated memory was 212.9MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 163.9MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-16 17:34:10,272 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:34:10,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.95ms. Allocated memory is still 212.9MB. Free memory was 163.4MB in the beginning and 101.0MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2023-12-16 17:34:10,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.35ms. Allocated memory is still 212.9MB. Free memory was 101.0MB in the beginning and 182.3MB in the end (delta: -81.3MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2023-12-16 17:34:10,273 INFO L158 Benchmark]: Boogie Preprocessor took 138.48ms. Allocated memory is still 212.9MB. Free memory was 182.3MB in the beginning and 175.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 17:34:10,273 INFO L158 Benchmark]: RCFGBuilder took 1256.99ms. Allocated memory is still 212.9MB. Free memory was 175.0MB in the beginning and 78.0MB in the end (delta: 97.0MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. [2023-12-16 17:34:10,273 INFO L158 Benchmark]: TraceAbstraction took 50422.63ms. Allocated memory was 212.9MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 77.5MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-16 17:34:10,274 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 212.9MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 860.95ms. Allocated memory is still 212.9MB. Free memory was 163.4MB in the beginning and 101.0MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 133.35ms. Allocated memory is still 212.9MB. Free memory was 101.0MB in the beginning and 182.3MB in the end (delta: -81.3MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 138.48ms. Allocated memory is still 212.9MB. Free memory was 182.3MB in the beginning and 175.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1256.99ms. Allocated memory is still 212.9MB. Free memory was 175.0MB in the beginning and 78.0MB in the end (delta: 97.0MB). Peak memory consumption was 96.5MB. Max. memory is 8.0GB. * TraceAbstraction took 50422.63ms. Allocated memory was 212.9MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 77.5MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.9GB. 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,"featureselect.i","") [48] - GenericResultAtLocation [Line: 97]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] - GenericResultAtLocation [Line: 1177]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] - GenericResultAtLocation [Line: 1484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] - GenericResultAtLocation [Line: 1493]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] - GenericResultAtLocation [Line: 1641]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] - GenericResultAtLocation [Line: 2046]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] - GenericResultAtLocation [Line: 2073]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] - GenericResultAtLocation [Line: 2090]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] - GenericResultAtLocation [Line: 2456]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] - GenericResultAtLocation [Line: 2675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] * 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: 1489]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1489). Cancelled while NwaCegarLoop was constructing difference of abstraction (112522states) and FLOYD_HOARE automaton (currently 18 states, 16 states before enhancement),while ReachableStatesComputation was computing reachable states (229393 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.4s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4515 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4203 mSDsluCounter, 34521 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21790 mSDsCounter, 407 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5586 IncrementalHoareTripleChecker+Invalid, 5993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 407 mSolverCounterUnsat, 12731 mSDtfsCounter, 5586 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3170 GetRequests, 3099 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112522occurred in iteration=21, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 78 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2907 NumberOfCodeBlocks, 2834 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3148 ConstructedInterpolants, 0 QuantifiedInterpolants, 4041 SizeOfPredicates, 30 NumberOfNonLiveVariables, 12845 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 862/880 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