/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 09:56:21,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 09:56:21,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 09:56:21,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 09:56:21,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 09:56:21,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 09:56:21,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 09:56:21,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 09:56:21,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 09:56:21,505 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 09:56:21,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 09:56:21,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 09:56:21,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 09:56:21,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 09:56:21,506 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 09:56:21,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 09:56:21,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 09:56:21,507 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 09:56:21,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 09:56:21,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 09:56:21,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 09:56:21,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 09:56:21,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 09:56:21,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 09:56:21,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 09:56:21,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 09:56:21,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 09:56:21,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 09:56:21,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 09:56:21,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:56:21,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 09:56:21,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 09:56:21,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 09:56:21,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 09:56:21,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 09:56:21,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 09:56:21,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 09:56:21,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 09:56:21,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 09:56:21,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 09:56:21,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 09:56:21,752 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 09:56:21,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c [2023-12-21 09:56:22,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 09:56:23,069 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 09:56:23,070 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c [2023-12-21 09:56:23,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f24f8fd0/4ce77cd2643849ec8a6a241ce1f732d2/FLAG5b2b34da1 [2023-12-21 09:56:23,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f24f8fd0/4ce77cd2643849ec8a6a241ce1f732d2 [2023-12-21 09:56:23,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 09:56:23,095 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 09:56:23,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 09:56:23,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 09:56:23,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 09:56:23,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390130f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23, skipping insertion in model container [2023-12-21 09:56:23,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 09:56:23,403 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_spec7_product13.cil.c[16810,16823] [2023-12-21 09:56:23,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:56:23,547 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 09:56:23,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2023-12-21 09:56:23,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [79] [2023-12-21 09:56:23,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [371] [2023-12-21 09:56:23,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [737] [2023-12-21 09:56:23,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] [2023-12-21 09:56:23,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [781] [2023-12-21 09:56:23,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1193] [2023-12-21 09:56:23,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1210] [2023-12-21 09:56:23,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1308] [2023-12-21 09:56:23,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1562] [2023-12-21 09:56:23,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2631] [2023-12-21 09:56:23,592 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_spec7_product13.cil.c[16810,16823] [2023-12-21 09:56:23,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:56:23,694 INFO L206 MainTranslator]: Completed translation [2023-12-21 09:56:23,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23 WrapperNode [2023-12-21 09:56:23,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 09:56:23,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 09:56:23,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 09:56:23,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 09:56:23,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,803 INFO L138 Inliner]: procedures = 124, calls = 176, calls flagged for inlining = 54, calls inlined = 45, statements flattened = 841 [2023-12-21 09:56:23,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 09:56:23,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 09:56:23,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 09:56:23,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 09:56:23,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,845 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]. [2023-12-21 09:56:23,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 09:56:23,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 09:56:23,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 09:56:23,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 09:56:23,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (1/1) ... [2023-12-21 09:56:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:56:23,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:23,910 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) [2023-12-21 09:56:23,914 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 [2023-12-21 09:56:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-21 09:56:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-21 09:56:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-21 09:56:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-21 09:56:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-21 09:56:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-21 09:56:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-21 09:56:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-21 09:56:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-21 09:56:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-21 09:56:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-21 09:56:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-21 09:56:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-21 09:56:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-21 09:56:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-21 09:56:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-21 09:56:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 09:56:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-21 09:56:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-21 09:56:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-21 09:56:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-21 09:56:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-21 09:56:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-21 09:56:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-21 09:56:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 09:56:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-21 09:56:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-21 09:56:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 09:56:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 09:56:24,124 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 09:56:24,126 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 09:56:24,583 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 09:56:24,634 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 09:56:24,634 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 09:56:24,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:56:24 BoogieIcfgContainer [2023-12-21 09:56:24,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 09:56:24,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 09:56:24,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 09:56:24,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 09:56:24,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:56:23" (1/3) ... [2023-12-21 09:56:24,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786cbab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:56:24, skipping insertion in model container [2023-12-21 09:56:24,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:56:23" (2/3) ... [2023-12-21 09:56:24,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786cbab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:56:24, skipping insertion in model container [2023-12-21 09:56:24,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:56:24" (3/3) ... [2023-12-21 09:56:24,640 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product13.cil.c [2023-12-21 09:56:24,651 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 09:56:24,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 09:56:24,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 09:56:24,697 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;@71c3d968, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 09:56:24,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 09:56:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 242 states, 190 states have (on average 1.6210526315789473) internal successors, (308), 192 states have internal predecessors, (308), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-21 09:56:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-21 09:56:24,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:24,715 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:24,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:24,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:24,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2058146720, now seen corresponding path program 1 times [2023-12-21 09:56:24,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:24,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272325964] [2023-12-21 09:56:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:56:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:56:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:56:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 09:56:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 09:56:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:56:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:56:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 09:56:25,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:25,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272325964] [2023-12-21 09:56:25,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272325964] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:56:25,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198802156] [2023-12-21 09:56:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:25,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:25,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:56:25,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 09:56:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:25,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 09:56:25,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:56:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:56:25,552 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:56:25,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198802156] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:25,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:56:25,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2023-12-21 09:56:25,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149953861] [2023-12-21 09:56:25,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:25,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 09:56:25,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 09:56:25,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:56:25,593 INFO L87 Difference]: Start difference. First operand has 242 states, 190 states have (on average 1.6210526315789473) internal successors, (308), 192 states have internal predecessors, (308), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:25,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:25,658 INFO L93 Difference]: Finished difference Result 343 states and 526 transitions. [2023-12-21 09:56:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 09:56:25,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 76 [2023-12-21 09:56:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:25,668 INFO L225 Difference]: With dead ends: 343 [2023-12-21 09:56:25,668 INFO L226 Difference]: Without dead ends: 239 [2023-12-21 09:56:25,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:56:25,673 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:25,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:56:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-12-21 09:56:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2023-12-21 09:56:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 188 states have (on average 1.601063829787234) internal successors, (301), 189 states have internal predecessors, (301), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-21 09:56:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 370 transitions. [2023-12-21 09:56:25,715 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 370 transitions. Word has length 76 [2023-12-21 09:56:25,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:25,716 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 370 transitions. [2023-12-21 09:56:25,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2023-12-21 09:56:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-21 09:56:25,720 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:25,720 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:25,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 09:56:25,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 09:56:25,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:25,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1362980545, now seen corresponding path program 1 times [2023-12-21 09:56:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090082543] [2023-12-21 09:56:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:25,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:56:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:56:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:56:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 09:56:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 09:56:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:56:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:56:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 09:56:26,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:26,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090082543] [2023-12-21 09:56:26,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090082543] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:56:26,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626144088] [2023-12-21 09:56:26,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:26,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:56:26,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 09:56:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 09:56:26,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:56:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:56:26,444 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:56:26,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626144088] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:26,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:56:26,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-12-21 09:56:26,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850780406] [2023-12-21 09:56:26,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:26,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:56:26,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:26,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:56:26,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:56:26,447 INFO L87 Difference]: Start difference. First operand 239 states and 370 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:26,506 INFO L93 Difference]: Finished difference Result 339 states and 513 transitions. [2023-12-21 09:56:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:56:26,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2023-12-21 09:56:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:26,509 INFO L225 Difference]: With dead ends: 339 [2023-12-21 09:56:26,509 INFO L226 Difference]: Without dead ends: 241 [2023-12-21 09:56:26,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:56:26,511 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 0 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:26,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 721 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:56:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-12-21 09:56:26,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2023-12-21 09:56:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 191 states have internal predecessors, (303), 35 states have call successors, (35), 15 states have call predecessors, (35), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-21 09:56:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 372 transitions. [2023-12-21 09:56:26,536 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 372 transitions. Word has length 77 [2023-12-21 09:56:26,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:26,536 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 372 transitions. [2023-12-21 09:56:26,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 372 transitions. [2023-12-21 09:56:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 09:56:26,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:26,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:26,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 09:56:26,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-21 09:56:26,753 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:26,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:26,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2057876358, now seen corresponding path program 1 times [2023-12-21 09:56:26,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:26,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066022624] [2023-12-21 09:56:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:26,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:56:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:56:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:56:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:56:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:56:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:56:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:56:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:56:26,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066022624] [2023-12-21 09:56:26,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066022624] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:56:26,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664755418] [2023-12-21 09:56:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:26,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:26,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:56:26,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 09:56:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:56:27,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:56:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-21 09:56:27,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:56:27,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664755418] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:27,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:56:27,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-12-21 09:56:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121781575] [2023-12-21 09:56:27,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:27,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:56:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:56:27,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:56:27,201 INFO L87 Difference]: Start difference. First operand 241 states and 372 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:27,238 INFO L93 Difference]: Finished difference Result 508 states and 796 transitions. [2023-12-21 09:56:27,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:56:27,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2023-12-21 09:56:27,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:27,241 INFO L225 Difference]: With dead ends: 508 [2023-12-21 09:56:27,241 INFO L226 Difference]: Without dead ends: 289 [2023-12-21 09:56:27,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:56:27,244 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 95 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:27,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 687 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:56:27,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-12-21 09:56:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 284. [2023-12-21 09:56:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 222 states have (on average 1.6036036036036037) internal successors, (356), 223 states have internal predecessors, (356), 46 states have call successors, (46), 15 states have call predecessors, (46), 15 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-21 09:56:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 447 transitions. [2023-12-21 09:56:27,264 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 447 transitions. Word has length 82 [2023-12-21 09:56:27,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:27,264 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 447 transitions. [2023-12-21 09:56:27,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 447 transitions. [2023-12-21 09:56:27,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-21 09:56:27,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:27,267 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:27,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 09:56:27,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:27,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:27,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:27,475 INFO L85 PathProgramCache]: Analyzing trace with hash -904675323, now seen corresponding path program 1 times [2023-12-21 09:56:27,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:27,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205492190] [2023-12-21 09:56:27,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 09:56:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-21 09:56:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:56:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 09:56:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:56:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:56:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:56:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:56:27,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:27,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205492190] [2023-12-21 09:56:27,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205492190] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:56:27,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105334472] [2023-12-21 09:56:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:27,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:27,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:27,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:56:27,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 09:56:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:27,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-21 09:56:27,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:56:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 09:56:27,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:56:27,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105334472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:27,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:56:27,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-12-21 09:56:27,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487537544] [2023-12-21 09:56:27,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:27,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:56:27,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:27,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:56:27,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-21 09:56:27,938 INFO L87 Difference]: Start difference. First operand 284 states and 447 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:28,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:28,006 INFO L93 Difference]: Finished difference Result 563 states and 888 transitions. [2023-12-21 09:56:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:56:28,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 83 [2023-12-21 09:56:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:28,009 INFO L225 Difference]: With dead ends: 563 [2023-12-21 09:56:28,009 INFO L226 Difference]: Without dead ends: 286 [2023-12-21 09:56:28,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:56:28,011 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 8 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:28,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1397 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:56:28,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-12-21 09:56:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2023-12-21 09:56:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 223 states have (on average 1.600896860986547) internal successors, (357), 225 states have internal predecessors, (357), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (47), 45 states have call predecessors, (47), 45 states have call successors, (47) [2023-12-21 09:56:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 450 transitions. [2023-12-21 09:56:28,023 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 450 transitions. Word has length 83 [2023-12-21 09:56:28,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:28,023 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 450 transitions. [2023-12-21 09:56:28,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 450 transitions. [2023-12-21 09:56:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-21 09:56:28,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:28,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:28,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 09:56:28,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:28,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:28,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1546862210, now seen corresponding path program 1 times [2023-12-21 09:56:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770811783] [2023-12-21 09:56:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-21 09:56:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-21 09:56:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 09:56:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:56:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:56:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:56:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 09:56:28,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:28,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770811783] [2023-12-21 09:56:28,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770811783] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:56:28,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523569615] [2023-12-21 09:56:28,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:28,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:28,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:28,375 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:56:28,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 09:56:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:28,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 09:56:28,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:56:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 09:56:28,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:56:28,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523569615] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:28,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:56:28,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-12-21 09:56:28,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180626006] [2023-12-21 09:56:28,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:28,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:56:28,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:56:28,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:56:28,652 INFO L87 Difference]: Start difference. First operand 286 states and 450 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:28,734 INFO L93 Difference]: Finished difference Result 565 states and 893 transitions. [2023-12-21 09:56:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:56:28,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 84 [2023-12-21 09:56:28,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:28,736 INFO L225 Difference]: With dead ends: 565 [2023-12-21 09:56:28,737 INFO L226 Difference]: Without dead ends: 288 [2023-12-21 09:56:28,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-12-21 09:56:28,738 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 8 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:28,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1383 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:56:28,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-12-21 09:56:28,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2023-12-21 09:56:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 224 states have (on average 1.5982142857142858) internal successors, (358), 227 states have internal predecessors, (358), 46 states have call successors, (46), 15 states have call predecessors, (46), 17 states have return successors, (52), 45 states have call predecessors, (52), 45 states have call successors, (52) [2023-12-21 09:56:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 456 transitions. [2023-12-21 09:56:28,763 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 456 transitions. Word has length 84 [2023-12-21 09:56:28,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:28,764 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 456 transitions. [2023-12-21 09:56:28,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 456 transitions. [2023-12-21 09:56:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-21 09:56:28,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:28,786 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:28,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 09:56:28,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:28,994 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:28,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash 200934642, now seen corresponding path program 1 times [2023-12-21 09:56:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:28,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455555581] [2023-12-21 09:56:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 09:56:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-21 09:56:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:56:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:56:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:56:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:56:29,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:29,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455555581] [2023-12-21 09:56:29,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455555581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:29,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:29,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 09:56:29,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793032925] [2023-12-21 09:56:29,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:29,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 09:56:29,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:29,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 09:56:29,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:56:29,107 INFO L87 Difference]: Start difference. First operand 288 states and 456 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:30,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:30,062 INFO L93 Difference]: Finished difference Result 611 states and 976 transitions. [2023-12-21 09:56:30,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:56:30,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 85 [2023-12-21 09:56:30,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:30,065 INFO L225 Difference]: With dead ends: 611 [2023-12-21 09:56:30,065 INFO L226 Difference]: Without dead ends: 342 [2023-12-21 09:56:30,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:56:30,067 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 584 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:30,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 812 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 09:56:30,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-21 09:56:30,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 288. [2023-12-21 09:56:30,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 224 states have (on average 1.5982142857142858) internal successors, (358), 227 states have internal predecessors, (358), 46 states have call successors, (46), 15 states have call predecessors, (46), 17 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-21 09:56:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 455 transitions. [2023-12-21 09:56:30,136 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 455 transitions. Word has length 85 [2023-12-21 09:56:30,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:30,137 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 455 transitions. [2023-12-21 09:56:30,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:30,137 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 455 transitions. [2023-12-21 09:56:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-21 09:56:30,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:30,140 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:30,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 09:56:30,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:30,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash 562323533, now seen corresponding path program 2 times [2023-12-21 09:56:30,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:30,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409310014] [2023-12-21 09:56:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:30,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-21 09:56:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 09:56:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:56:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:56:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:56:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:56:30,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409310014] [2023-12-21 09:56:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409310014] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:30,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 09:56:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750967806] [2023-12-21 09:56:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:30,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 09:56:30,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 09:56:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:56:30,351 INFO L87 Difference]: Start difference. First operand 288 states and 455 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:31,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:31,244 INFO L93 Difference]: Finished difference Result 613 states and 979 transitions. [2023-12-21 09:56:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 09:56:31,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 86 [2023-12-21 09:56:31,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:31,247 INFO L225 Difference]: With dead ends: 613 [2023-12-21 09:56:31,247 INFO L226 Difference]: Without dead ends: 344 [2023-12-21 09:56:31,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:56:31,248 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 580 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:31,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 812 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 09:56:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-21 09:56:31,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 290. [2023-12-21 09:56:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 229 states have internal predecessors, (359), 46 states have call successors, (46), 15 states have call predecessors, (46), 18 states have return successors, (53), 45 states have call predecessors, (53), 45 states have call successors, (53) [2023-12-21 09:56:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 458 transitions. [2023-12-21 09:56:31,260 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 458 transitions. Word has length 86 [2023-12-21 09:56:31,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:31,261 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 458 transitions. [2023-12-21 09:56:31,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-21 09:56:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-21 09:56:31,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:31,262 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:31,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 09:56:31,262 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:31,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:31,262 INFO L85 PathProgramCache]: Analyzing trace with hash -560741095, now seen corresponding path program 1 times [2023-12-21 09:56:31,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:31,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789622370] [2023-12-21 09:56:31,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:31,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:56:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:56:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:56:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:56:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 09:56:31,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:31,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789622370] [2023-12-21 09:56:31,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789622370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:31,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:31,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 09:56:31,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695962506] [2023-12-21 09:56:31,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:31,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 09:56:31,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:31,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 09:56:31,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:56:31,400 INFO L87 Difference]: Start difference. First operand 290 states and 458 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:32,219 INFO L93 Difference]: Finished difference Result 613 states and 978 transitions. [2023-12-21 09:56:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 09:56:32,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 87 [2023-12-21 09:56:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:32,222 INFO L225 Difference]: With dead ends: 613 [2023-12-21 09:56:32,222 INFO L226 Difference]: Without dead ends: 344 [2023-12-21 09:56:32,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-21 09:56:32,224 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 582 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:32,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 812 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:56:32,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-21 09:56:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 290. [2023-12-21 09:56:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 229 states have internal predecessors, (359), 46 states have call successors, (46), 15 states have call predecessors, (46), 18 states have return successors, (53), 45 states have call predecessors, (53), 45 states have call successors, (53) [2023-12-21 09:56:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 458 transitions. [2023-12-21 09:56:32,244 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 458 transitions. Word has length 87 [2023-12-21 09:56:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:32,245 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 458 transitions. [2023-12-21 09:56:32,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 09:56:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-21 09:56:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-21 09:56:32,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:32,247 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:32,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 09:56:32,247 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:32,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1947526505, now seen corresponding path program 1 times [2023-12-21 09:56:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:32,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179221932] [2023-12-21 09:56:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:32,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:56:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:56:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:56:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:56:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 09:56:32,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:32,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179221932] [2023-12-21 09:56:32,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179221932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:32,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:32,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-21 09:56:32,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417256096] [2023-12-21 09:56:32,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:32,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 09:56:32,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:32,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 09:56:32,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-21 09:56:32,409 INFO L87 Difference]: Start difference. First operand 290 states and 458 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-12-21 09:56:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:33,654 INFO L93 Difference]: Finished difference Result 611 states and 973 transitions. [2023-12-21 09:56:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 09:56:33,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 87 [2023-12-21 09:56:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:33,657 INFO L225 Difference]: With dead ends: 611 [2023-12-21 09:56:33,657 INFO L226 Difference]: Without dead ends: 344 [2023-12-21 09:56:33,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2023-12-21 09:56:33,659 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 589 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:33,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1163 Invalid, 2668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:56:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-12-21 09:56:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 290. [2023-12-21 09:56:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 229 states have internal predecessors, (359), 46 states have call successors, (46), 15 states have call predecessors, (46), 18 states have return successors, (52), 45 states have call predecessors, (52), 45 states have call successors, (52) [2023-12-21 09:56:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 457 transitions. [2023-12-21 09:56:33,674 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 457 transitions. Word has length 87 [2023-12-21 09:56:33,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:33,675 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 457 transitions. [2023-12-21 09:56:33,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-12-21 09:56:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 457 transitions. [2023-12-21 09:56:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-21 09:56:33,678 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:33,678 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:33,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 09:56:33,678 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:33,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:33,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1160114641, now seen corresponding path program 2 times [2023-12-21 09:56:33,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:33,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437770764] [2023-12-21 09:56:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:33,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:56:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:56:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:56:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:56:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 09:56:33,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:33,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437770764] [2023-12-21 09:56:33,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437770764] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:33,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:33,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-21 09:56:33,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114107199] [2023-12-21 09:56:33,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:33,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 09:56:33,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:33,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 09:56:33,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-21 09:56:33,823 INFO L87 Difference]: Start difference. First operand 290 states and 457 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-12-21 09:56:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:34,998 INFO L93 Difference]: Finished difference Result 613 states and 979 transitions. [2023-12-21 09:56:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 09:56:34,998 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 88 [2023-12-21 09:56:34,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:35,000 INFO L225 Difference]: With dead ends: 613 [2023-12-21 09:56:35,000 INFO L226 Difference]: Without dead ends: 346 [2023-12-21 09:56:35,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2023-12-21 09:56:35,001 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 585 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:35,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1163 Invalid, 2693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-21 09:56:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-21 09:56:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 292. [2023-12-21 09:56:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 226 states have (on average 1.592920353982301) internal successors, (360), 231 states have internal predecessors, (360), 46 states have call successors, (46), 15 states have call predecessors, (46), 19 states have return successors, (57), 45 states have call predecessors, (57), 45 states have call successors, (57) [2023-12-21 09:56:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 463 transitions. [2023-12-21 09:56:35,014 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 463 transitions. Word has length 88 [2023-12-21 09:56:35,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:35,014 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 463 transitions. [2023-12-21 09:56:35,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-12-21 09:56:35,028 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 463 transitions. [2023-12-21 09:56:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-21 09:56:35,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:35,029 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:35,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 09:56:35,029 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:35,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:35,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1326054436, now seen corresponding path program 1 times [2023-12-21 09:56:35,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:35,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271607929] [2023-12-21 09:56:35,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:35,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:56:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:56:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:56:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:56:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:35,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:35,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271607929] [2023-12-21 09:56:35,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271607929] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:56:35,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224167642] [2023-12-21 09:56:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:35,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:35,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:56:35,146 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 09:56:35,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 09:56:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:35,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:56:35,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:56:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:35,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 09:56:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:35,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224167642] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 09:56:35,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 09:56:35,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2023-12-21 09:56:35,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376985805] [2023-12-21 09:56:35,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 09:56:35,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-21 09:56:35,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:35,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-21 09:56:35,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:35,463 INFO L87 Difference]: Start difference. First operand 292 states and 463 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-21 09:56:36,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:36,320 INFO L93 Difference]: Finished difference Result 754 states and 1264 transitions. [2023-12-21 09:56:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 09:56:36,320 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2023-12-21 09:56:36,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:36,325 INFO L225 Difference]: With dead ends: 754 [2023-12-21 09:56:36,325 INFO L226 Difference]: Without dead ends: 656 [2023-12-21 09:56:36,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:56:36,328 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1018 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:36,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 952 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:56:36,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-12-21 09:56:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 587. [2023-12-21 09:56:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 457 states have (on average 1.6411378555798688) internal successors, (750), 462 states have internal predecessors, (750), 110 states have call successors, (110), 15 states have call predecessors, (110), 19 states have return successors, (131), 109 states have call predecessors, (131), 109 states have call successors, (131) [2023-12-21 09:56:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 991 transitions. [2023-12-21 09:56:36,346 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 991 transitions. Word has length 89 [2023-12-21 09:56:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:36,347 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 991 transitions. [2023-12-21 09:56:36,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-21 09:56:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 991 transitions. [2023-12-21 09:56:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-21 09:56:36,349 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:36,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:36,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-21 09:56:36,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:56:36,556 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:36,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:36,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1557790087, now seen corresponding path program 1 times [2023-12-21 09:56:36,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:36,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432311847] [2023-12-21 09:56:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:36,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 09:56:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:56:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:56:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:56:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:36,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:36,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:36,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432311847] [2023-12-21 09:56:36,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432311847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:36,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:36,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:36,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747920130] [2023-12-21 09:56:36,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:36,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:36,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:36,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:36,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:36,667 INFO L87 Difference]: Start difference. First operand 587 states and 991 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:37,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:37,371 INFO L93 Difference]: Finished difference Result 1465 states and 2533 transitions. [2023-12-21 09:56:37,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:37,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 95 [2023-12-21 09:56:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:37,375 INFO L225 Difference]: With dead ends: 1465 [2023-12-21 09:56:37,375 INFO L226 Difference]: Without dead ends: 938 [2023-12-21 09:56:37,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:37,376 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 667 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:37,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 600 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:37,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-12-21 09:56:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 879. [2023-12-21 09:56:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 685 states have (on average 1.6452554744525547) internal successors, (1127), 690 states have internal predecessors, (1127), 174 states have call successors, (174), 15 states have call predecessors, (174), 19 states have return successors, (205), 173 states have call predecessors, (205), 173 states have call successors, (205) [2023-12-21 09:56:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1506 transitions. [2023-12-21 09:56:37,400 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1506 transitions. Word has length 95 [2023-12-21 09:56:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:37,400 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1506 transitions. [2023-12-21 09:56:37,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1506 transitions. [2023-12-21 09:56:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-21 09:56:37,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:37,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:37,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 09:56:37,403 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:37,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:37,403 INFO L85 PathProgramCache]: Analyzing trace with hash 578903811, now seen corresponding path program 1 times [2023-12-21 09:56:37,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:37,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509475591] [2023-12-21 09:56:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:37,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 09:56:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:56:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:56:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:56:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:37,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:37,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509475591] [2023-12-21 09:56:37,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509475591] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:37,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:37,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:37,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095295318] [2023-12-21 09:56:37,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:37,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:37,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:37,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:37,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:37,469 INFO L87 Difference]: Start difference. First operand 879 states and 1506 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:38,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:38,120 INFO L93 Difference]: Finished difference Result 2162 states and 3760 transitions. [2023-12-21 09:56:38,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:38,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 96 [2023-12-21 09:56:38,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:38,126 INFO L225 Difference]: With dead ends: 2162 [2023-12-21 09:56:38,126 INFO L226 Difference]: Without dead ends: 1393 [2023-12-21 09:56:38,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:38,129 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 665 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:38,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 570 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:38,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-12-21 09:56:38,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1334. [2023-12-21 09:56:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1045 states have (on average 1.64688995215311) internal successors, (1721), 1050 states have internal predecessors, (1721), 269 states have call successors, (269), 15 states have call predecessors, (269), 19 states have return successors, (300), 268 states have call predecessors, (300), 268 states have call successors, (300) [2023-12-21 09:56:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2290 transitions. [2023-12-21 09:56:38,167 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2290 transitions. Word has length 96 [2023-12-21 09:56:38,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:38,167 INFO L495 AbstractCegarLoop]: Abstraction has 1334 states and 2290 transitions. [2023-12-21 09:56:38,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2290 transitions. [2023-12-21 09:56:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-21 09:56:38,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:38,171 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:38,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 09:56:38,171 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:38,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:38,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1725367707, now seen corresponding path program 1 times [2023-12-21 09:56:38,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:38,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389380024] [2023-12-21 09:56:38,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:38,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:56:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:56:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:56:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:56:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:38,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:38,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389380024] [2023-12-21 09:56:38,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389380024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:38,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:38,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:38,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968866904] [2023-12-21 09:56:38,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:38,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:38,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:38,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:38,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:38,231 INFO L87 Difference]: Start difference. First operand 1334 states and 2290 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:38,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:38,903 INFO L93 Difference]: Finished difference Result 3180 states and 5572 transitions. [2023-12-21 09:56:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:38,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 97 [2023-12-21 09:56:38,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:38,911 INFO L225 Difference]: With dead ends: 3180 [2023-12-21 09:56:38,911 INFO L226 Difference]: Without dead ends: 2076 [2023-12-21 09:56:38,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:38,914 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 663 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:38,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 569 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:38,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2023-12-21 09:56:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2017. [2023-12-21 09:56:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2017 states, 1605 states have (on average 1.649221183800623) internal successors, (2647), 1610 states have internal predecessors, (2647), 392 states have call successors, (392), 15 states have call predecessors, (392), 19 states have return successors, (439), 391 states have call predecessors, (439), 391 states have call successors, (439) [2023-12-21 09:56:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 3478 transitions. [2023-12-21 09:56:38,975 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 3478 transitions. Word has length 97 [2023-12-21 09:56:38,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:38,975 INFO L495 AbstractCegarLoop]: Abstraction has 2017 states and 3478 transitions. [2023-12-21 09:56:38,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 3478 transitions. [2023-12-21 09:56:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-21 09:56:38,982 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:38,982 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:38,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 09:56:38,982 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:38,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:38,982 INFO L85 PathProgramCache]: Analyzing trace with hash -69701980, now seen corresponding path program 1 times [2023-12-21 09:56:38,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:38,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905728568] [2023-12-21 09:56:38,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:38,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:56:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:56:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 09:56:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:56:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:39,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:39,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905728568] [2023-12-21 09:56:39,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905728568] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:39,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:39,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:39,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721869442] [2023-12-21 09:56:39,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:39,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:39,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:39,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:39,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:39,049 INFO L87 Difference]: Start difference. First operand 2017 states and 3478 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:39,813 INFO L93 Difference]: Finished difference Result 4750 states and 8377 transitions. [2023-12-21 09:56:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2023-12-21 09:56:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:39,829 INFO L225 Difference]: With dead ends: 4750 [2023-12-21 09:56:39,829 INFO L226 Difference]: Without dead ends: 3160 [2023-12-21 09:56:39,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:39,836 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 661 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:39,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 569 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:56:39,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2023-12-21 09:56:39,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3101. [2023-12-21 09:56:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3101 states, 2510 states have (on average 1.650597609561753) internal successors, (4143), 2515 states have internal predecessors, (4143), 571 states have call successors, (571), 15 states have call predecessors, (571), 19 states have return successors, (644), 570 states have call predecessors, (644), 570 states have call successors, (644) [2023-12-21 09:56:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 5358 transitions. [2023-12-21 09:56:39,939 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 5358 transitions. Word has length 98 [2023-12-21 09:56:39,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:39,939 INFO L495 AbstractCegarLoop]: Abstraction has 3101 states and 5358 transitions. [2023-12-21 09:56:39,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 5358 transitions. [2023-12-21 09:56:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-21 09:56:39,944 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:39,944 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:39,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 09:56:39,945 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:39,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:39,945 INFO L85 PathProgramCache]: Analyzing trace with hash 489552599, now seen corresponding path program 1 times [2023-12-21 09:56:39,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:39,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160384844] [2023-12-21 09:56:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:56:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:56:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:56:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:56:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:40,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:40,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160384844] [2023-12-21 09:56:40,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160384844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:40,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:40,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:40,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605059664] [2023-12-21 09:56:40,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:40,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:40,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:40,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:40,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:40,014 INFO L87 Difference]: Start difference. First operand 3101 states and 5358 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:40,808 INFO L93 Difference]: Finished difference Result 7581 states and 13389 transitions. [2023-12-21 09:56:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:40,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2023-12-21 09:56:40,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:40,832 INFO L225 Difference]: With dead ends: 7581 [2023-12-21 09:56:40,832 INFO L226 Difference]: Without dead ends: 5130 [2023-12-21 09:56:40,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:40,842 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 659 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:40,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 606 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:40,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2023-12-21 09:56:41,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5071. [2023-12-21 09:56:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 4104 states have (on average 1.6408382066276803) internal successors, (6734), 4109 states have internal predecessors, (6734), 947 states have call successors, (947), 15 states have call predecessors, (947), 19 states have return successors, (1064), 946 states have call predecessors, (1064), 946 states have call successors, (1064) [2023-12-21 09:56:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 8745 transitions. [2023-12-21 09:56:41,094 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 8745 transitions. Word has length 99 [2023-12-21 09:56:41,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:41,095 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 8745 transitions. [2023-12-21 09:56:41,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 8745 transitions. [2023-12-21 09:56:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-21 09:56:41,102 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:41,103 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:41,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 09:56:41,103 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:41,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1074212200, now seen corresponding path program 1 times [2023-12-21 09:56:41,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:41,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6395911] [2023-12-21 09:56:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:41,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:56:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:56:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:56:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-21 09:56:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:41,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:41,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6395911] [2023-12-21 09:56:41,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6395911] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:41,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:41,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:41,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39810041] [2023-12-21 09:56:41,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:41,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:41,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:41,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:41,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:41,169 INFO L87 Difference]: Start difference. First operand 5071 states and 8745 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:42,033 INFO L93 Difference]: Finished difference Result 12562 states and 22137 transitions. [2023-12-21 09:56:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:42,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2023-12-21 09:56:42,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:42,079 INFO L225 Difference]: With dead ends: 12562 [2023-12-21 09:56:42,079 INFO L226 Difference]: Without dead ends: 8507 [2023-12-21 09:56:42,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:42,090 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 657 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:42,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 580 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:42,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8507 states. [2023-12-21 09:56:42,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8507 to 8448. [2023-12-21 09:56:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8448 states, 6875 states have (on average 1.6373818181818183) internal successors, (11257), 6880 states have internal predecessors, (11257), 1553 states have call successors, (1553), 15 states have call predecessors, (1553), 19 states have return successors, (1748), 1552 states have call predecessors, (1748), 1552 states have call successors, (1748) [2023-12-21 09:56:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8448 states to 8448 states and 14558 transitions. [2023-12-21 09:56:42,373 INFO L78 Accepts]: Start accepts. Automaton has 8448 states and 14558 transitions. Word has length 100 [2023-12-21 09:56:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:42,373 INFO L495 AbstractCegarLoop]: Abstraction has 8448 states and 14558 transitions. [2023-12-21 09:56:42,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 8448 states and 14558 transitions. [2023-12-21 09:56:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-21 09:56:42,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:42,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:42,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 09:56:42,384 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:42,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:42,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1101922343, now seen corresponding path program 1 times [2023-12-21 09:56:42,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:42,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564133959] [2023-12-21 09:56:42,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:56:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:56:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:56:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 09:56:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:42,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:42,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564133959] [2023-12-21 09:56:42,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564133959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:42,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:42,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:42,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605935596] [2023-12-21 09:56:42,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:42,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:42,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:42,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:42,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:42,514 INFO L87 Difference]: Start difference. First operand 8448 states and 14558 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:43,452 INFO L93 Difference]: Finished difference Result 21914 states and 38536 transitions. [2023-12-21 09:56:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:43,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2023-12-21 09:56:43,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:43,496 INFO L225 Difference]: With dead ends: 21914 [2023-12-21 09:56:43,497 INFO L226 Difference]: Without dead ends: 14891 [2023-12-21 09:56:43,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:43,518 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 655 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:43,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 617 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14891 states. [2023-12-21 09:56:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14891 to 14832. [2023-12-21 09:56:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14832 states, 12056 states have (on average 1.6269077637690776) internal successors, (19614), 12061 states have internal predecessors, (19614), 2756 states have call successors, (2756), 15 states have call predecessors, (2756), 19 states have return successors, (3095), 2755 states have call predecessors, (3095), 2755 states have call successors, (3095) [2023-12-21 09:56:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14832 states to 14832 states and 25465 transitions. [2023-12-21 09:56:43,981 INFO L78 Accepts]: Start accepts. Automaton has 14832 states and 25465 transitions. Word has length 101 [2023-12-21 09:56:43,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:43,981 INFO L495 AbstractCegarLoop]: Abstraction has 14832 states and 25465 transitions. [2023-12-21 09:56:43,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 14832 states and 25465 transitions. [2023-12-21 09:56:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-21 09:56:43,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:43,994 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:43,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 09:56:43,994 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:43,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:43,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1897214121, now seen corresponding path program 1 times [2023-12-21 09:56:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:43,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316818894] [2023-12-21 09:56:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:56:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:56:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:56:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-21 09:56:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:44,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:44,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316818894] [2023-12-21 09:56:44,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316818894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:44,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:44,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:44,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022464231] [2023-12-21 09:56:44,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:44,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:44,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:44,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:44,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:44,052 INFO L87 Difference]: Start difference. First operand 14832 states and 25465 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:45,156 INFO L93 Difference]: Finished difference Result 39273 states and 68922 transitions. [2023-12-21 09:56:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:45,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2023-12-21 09:56:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:45,225 INFO L225 Difference]: With dead ends: 39273 [2023-12-21 09:56:45,225 INFO L226 Difference]: Without dead ends: 26458 [2023-12-21 09:56:45,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:45,250 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 653 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:45,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 570 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26458 states. [2023-12-21 09:56:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26458 to 26399. [2023-12-21 09:56:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26399 states, 21584 states have (on average 1.6224518161601187) internal successors, (35019), 21589 states have internal predecessors, (35019), 4795 states have call successors, (4795), 15 states have call predecessors, (4795), 19 states have return successors, (5408), 4794 states have call predecessors, (5408), 4794 states have call successors, (5408) [2023-12-21 09:56:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26399 states to 26399 states and 45222 transitions. [2023-12-21 09:56:46,136 INFO L78 Accepts]: Start accepts. Automaton has 26399 states and 45222 transitions. Word has length 102 [2023-12-21 09:56:46,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:46,137 INFO L495 AbstractCegarLoop]: Abstraction has 26399 states and 45222 transitions. [2023-12-21 09:56:46,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 26399 states and 45222 transitions. [2023-12-21 09:56:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-21 09:56:46,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:46,151 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:46,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-21 09:56:46,152 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:46,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash 619257147, now seen corresponding path program 1 times [2023-12-21 09:56:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:46,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339228690] [2023-12-21 09:56:46,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:46,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:56:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:56:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-21 09:56:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-21 09:56:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:46,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:46,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339228690] [2023-12-21 09:56:46,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339228690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:46,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:46,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:46,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890727321] [2023-12-21 09:56:46,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:46,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:46,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:46,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:46,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:46,220 INFO L87 Difference]: Start difference. First operand 26399 states and 45222 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:47,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:47,756 INFO L93 Difference]: Finished difference Result 71885 states and 125346 transitions. [2023-12-21 09:56:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:47,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2023-12-21 09:56:47,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:47,918 INFO L225 Difference]: With dead ends: 71885 [2023-12-21 09:56:47,918 INFO L226 Difference]: Without dead ends: 48218 [2023-12-21 09:56:47,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:47,981 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 651 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:47,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 575 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:56:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48218 states. [2023-12-21 09:56:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48218 to 48159. [2023-12-21 09:56:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48159 states, 39629 states have (on average 1.616770546821772) internal successors, (64071), 39634 states have internal predecessors, (64071), 8510 states have call successors, (8510), 15 states have call predecessors, (8510), 19 states have return successors, (9655), 8509 states have call predecessors, (9655), 8509 states have call successors, (9655) [2023-12-21 09:56:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48159 states to 48159 states and 82236 transitions. [2023-12-21 09:56:49,973 INFO L78 Accepts]: Start accepts. Automaton has 48159 states and 82236 transitions. Word has length 103 [2023-12-21 09:56:49,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:49,974 INFO L495 AbstractCegarLoop]: Abstraction has 48159 states and 82236 transitions. [2023-12-21 09:56:49,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 48159 states and 82236 transitions. [2023-12-21 09:56:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-21 09:56:50,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:50,006 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:50,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-21 09:56:50,007 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:50,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1889739081, now seen corresponding path program 1 times [2023-12-21 09:56:50,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:50,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220708182] [2023-12-21 09:56:50,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:56:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 09:56:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-21 09:56:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-21 09:56:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:50,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:50,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220708182] [2023-12-21 09:56:50,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220708182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:50,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:50,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:56:50,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957546067] [2023-12-21 09:56:50,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:50,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:56:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:50,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:56:50,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:56:50,081 INFO L87 Difference]: Start difference. First operand 48159 states and 82236 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:52,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:52,280 INFO L93 Difference]: Finished difference Result 89604 states and 156710 transitions. [2023-12-21 09:56:52,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 09:56:52,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2023-12-21 09:56:52,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:52,702 INFO L225 Difference]: With dead ends: 89604 [2023-12-21 09:56:52,702 INFO L226 Difference]: Without dead ends: 89506 [2023-12-21 09:56:52,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:56:52,732 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 649 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:52,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 570 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:56:52,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89506 states. [2023-12-21 09:56:55,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89506 to 89447. [2023-12-21 09:56:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89447 states, 74118 states have (on average 1.6096090018618958) internal successors, (119301), 74123 states have internal predecessors, (119301), 15309 states have call successors, (15309), 15 states have call predecessors, (15309), 19 states have return successors, (17500), 15308 states have call predecessors, (17500), 15308 states have call successors, (17500) [2023-12-21 09:56:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89447 states to 89447 states and 152110 transitions. [2023-12-21 09:56:55,663 INFO L78 Accepts]: Start accepts. Automaton has 89447 states and 152110 transitions. Word has length 104 [2023-12-21 09:56:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:55,663 INFO L495 AbstractCegarLoop]: Abstraction has 89447 states and 152110 transitions. [2023-12-21 09:56:55,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-21 09:56:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 89447 states and 152110 transitions. [2023-12-21 09:56:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-21 09:56:55,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:56:55,679 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:56:55,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-21 09:56:55,680 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:56:55,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:56:55,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1249778310, now seen corresponding path program 1 times [2023-12-21 09:56:55,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:56:55,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066338856] [2023-12-21 09:56:55,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:56:55,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:56:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:56:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:56:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:56:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-21 09:56:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 09:56:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:56:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:56:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:56:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-21 09:56:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-21 09:56:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:56:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-21 09:56:55,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:56:55,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066338856] [2023-12-21 09:56:55,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066338856] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:56:55,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:56:55,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 09:56:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266103603] [2023-12-21 09:56:55,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:56:55,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 09:56:55,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:56:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 09:56:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:56:55,800 INFO L87 Difference]: Start difference. First operand 89447 states and 152110 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-21 09:56:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:56:58,980 INFO L93 Difference]: Finished difference Result 89499 states and 155470 transitions. [2023-12-21 09:56:58,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 09:56:58,996 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 105 [2023-12-21 09:56:58,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:56:58,997 INFO L225 Difference]: With dead ends: 89499 [2023-12-21 09:56:58,997 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 09:56:59,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2023-12-21 09:56:59,136 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 675 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-21 09:56:59,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 840 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-21 09:56:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 09:56:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 09:56:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 09:56:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 09:56:59,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2023-12-21 09:56:59,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:56:59,149 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 09:56:59,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-21 09:56:59,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 09:56:59,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 09:56:59,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 09:56:59,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-21 09:56:59,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 09:57:23,440 WARN L293 SmtUtils]: Spent 24.22s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:57:46,630 WARN L293 SmtUtils]: Spent 22.22s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:58:07,955 WARN L293 SmtUtils]: Spent 21.32s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:58:29,635 WARN L293 SmtUtils]: Spent 21.68s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:58:51,242 WARN L293 SmtUtils]: Spent 21.60s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:59:13,611 WARN L293 SmtUtils]: Spent 21.86s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:59:36,041 WARN L293 SmtUtils]: Spent 21.79s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:59:59,553 WARN L293 SmtUtils]: Spent 23.14s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:00:21,547 WARN L293 SmtUtils]: Spent 21.65s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:00:44,809 WARN L293 SmtUtils]: Spent 23.26s on a formula simplification. DAG size of input: 2390 DAG size of output: 3 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:01:07,169 WARN L293 SmtUtils]: Spent 22.36s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:01:29,517 WARN L293 SmtUtils]: Spent 22.34s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:01:52,809 WARN L293 SmtUtils]: Spent 22.51s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:02:15,683 WARN L293 SmtUtils]: Spent 22.87s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:02:37,890 WARN L293 SmtUtils]: Spent 22.20s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 10:03:00,995 WARN L293 SmtUtils]: Spent 23.09s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:03:24,616 WARN L293 SmtUtils]: Spent 23.47s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:03:40,062 WARN L293 SmtUtils]: Spent 15.44s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:03:55,700 WARN L293 SmtUtils]: Spent 15.63s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:04:13,039 WARN L293 SmtUtils]: Spent 17.33s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:04:33,939 WARN L293 SmtUtils]: Spent 20.85s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:04:49,072 WARN L293 SmtUtils]: Spent 15.07s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:05:03,742 WARN L293 SmtUtils]: Spent 14.63s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:05:18,489 WARN L293 SmtUtils]: Spent 14.71s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:05:36,509 WARN L293 SmtUtils]: Spent 18.01s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:05:55,730 WARN L293 SmtUtils]: Spent 19.21s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:06:13,474 WARN L293 SmtUtils]: Spent 17.68s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:06:30,655 WARN L293 SmtUtils]: Spent 17.17s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:06:47,804 WARN L293 SmtUtils]: Spent 17.14s on a formula simplification. DAG size of input: 1125 DAG size of output: 7 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 10:06:47,807 INFO L899 garLoopResultBuilder]: For program point getEmailSignKeyEXIT(lines 1121 1139) no Hoare annotation was computed. [2023-12-21 10:06:47,807 INFO L899 garLoopResultBuilder]: For program point getEmailSignKeyFINAL(lines 1121 1139) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1121 1139) the Hoare annotation is: true [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L1129(lines 1129 1135) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1136) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L1464(lines 1464 1474) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L2447(lines 2447 2453) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L69-2(lines 62 78) no Hoare annotation was computed. [2023-12-21 10:06:47,808 INFO L899 garLoopResultBuilder]: For program point L1184(lines 1184 1188) no Hoare annotation was computed. [2023-12-21 10:06:47,809 INFO L899 garLoopResultBuilder]: For program point L1184-2(lines 1177 1192) no Hoare annotation was computed. [2023-12-21 10:06:47,809 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1535) no Hoare annotation was computed. [2023-12-21 10:06:47,809 INFO L902 garLoopResultBuilder]: At program point L1531-1(lines 1527 1538) the Hoare annotation is: true [2023-12-21 10:06:47,809 INFO L899 garLoopResultBuilder]: For program point L2456(lines 2456 2487) no Hoare annotation was computed. [2023-12-21 10:06:47,809 INFO L899 garLoopResultBuilder]: For program point L1110(lines 1110 1114) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L1110-2(lines 1103 1118) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point getClientPrivateKey_returnLabel#1(lines 2152 2175) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L895 garLoopResultBuilder]: At program point L1342(line 1342) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L1342-1(line 1342) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L1499(lines 1499 1503) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1152) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L2457(lines 2457 2468) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L2160(lines 2160 2171) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2023-12-21 10:06:47,810 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1348 1358) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-12-21 10:06:47,811 INFO L902 garLoopResultBuilder]: At program point L1525(line 1525) the Hoare annotation is: true [2023-12-21 10:06:47,811 INFO L899 garLoopResultBuilder]: For program point L1525-1(line 1525) no Hoare annotation was computed. [2023-12-21 10:06:47,811 INFO L899 garLoopResultBuilder]: For program point L2442(lines 2442 2488) no Hoare annotation was computed. [2023-12-21 10:06:47,811 INFO L899 garLoopResultBuilder]: For program point L2475(lines 2475 2481) no Hoare annotation was computed. [2023-12-21 10:06:47,811 INFO L899 garLoopResultBuilder]: For program point L2599(lines 2599 2605) no Hoare annotation was computed. [2023-12-21 10:06:47,811 INFO L899 garLoopResultBuilder]: For program point L2591(lines 2591 2607) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L1468(lines 1468 1473) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L2443(lines 2443 2454) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1151) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L1147-2(lines 1140 1155) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L1527(lines 1527 1538) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point isKeyPairValid_returnLabel#1(lines 1455 1479) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1558) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point L1544-1(lines 1511 1561) no Hoare annotation was computed. [2023-12-21 10:06:47,824 INFO L899 garLoopResultBuilder]: For program point findPublicKey_returnLabel#1(lines 2438 2491) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L1181(lines 1181 1189) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION(line 742) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L2461(lines 2461 2467) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L2164(lines 2164 2170) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1115) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L902 garLoopResultBuilder]: At program point L1330(line 1330) the Hoare annotation is: true [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L1330-1(line 1330) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L2156(lines 2156 2172) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point getClientId_returnLabel#1(lines 2587 2610) no Hoare annotation was computed. [2023-12-21 10:06:47,825 INFO L899 garLoopResultBuilder]: For program point L2470(lines 2470 2486) no Hoare annotation was computed. [2023-12-21 10:06:47,836 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point sign_returnLabel#1(lines 1490 1510) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L902 garLoopResultBuilder]: At program point L1529(line 1529) the Hoare annotation is: true [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L1529-1(line 1529) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point outgoingEXIT(lines 1348 1358) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L902 garLoopResultBuilder]: At program point L1546(line 1546) the Hoare annotation is: true [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L1546-1(line 1546) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L2471(lines 2471 2482) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L2595(lines 2595 2606) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L1088(lines 1088 1099) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point isSignedEXIT(lines 1084 1102) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point isSignedFINAL(lines 1084 1102) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1084 1102) the Hoare annotation is: true [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L1092(lines 1092 1098) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point setClientPrivateKeyEXIT(lines 2176 2195) no Hoare annotation was computed. [2023-12-21 10:06:47,837 INFO L899 garLoopResultBuilder]: For program point L2186(lines 2186 2190) no Hoare annotation was computed. [2023-12-21 10:06:47,838 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2176 2195) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-12-21 10:06:47,838 INFO L899 garLoopResultBuilder]: For program point L2186-2(lines 2176 2195) no Hoare annotation was computed. [2023-12-21 10:06:47,838 INFO L899 garLoopResultBuilder]: For program point L2183(lines 2183 2191) no Hoare annotation was computed. [2023-12-21 10:06:47,838 INFO L899 garLoopResultBuilder]: For program point L2180(lines 2180 2192) no Hoare annotation was computed. [2023-12-21 10:06:47,838 INFO L899 garLoopResultBuilder]: For program point chuckKeyAddEXIT(lines 317 328) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 328) the Hoare annotation is: true [2023-12-21 10:06:47,839 INFO L902 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: true [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L322(line 322) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L902 garLoopResultBuilder]: At program point L323-1(line 323) the Hoare annotation is: true [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point chuckKeyAddFINAL(lines 317 328) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point getEmailToFINAL(lines 895 913) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point getEmailToEXIT(lines 895 913) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 895 913) the Hoare annotation is: true [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 909) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 910) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2218) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2203(lines 2203 2219) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2230(lines 2230 2238) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point createClientKeyringEntryFINAL(lines 2243 2267) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2243 2267) the Hoare annotation is: true [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2233(lines 2233 2237) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2233-2(lines 2223 2242) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2227(lines 2227 2239) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point getClientKeyringSize_returnLabel#1(lines 2199 2222) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point L2254(lines 2254 2264) no Hoare annotation was computed. [2023-12-21 10:06:47,839 INFO L899 garLoopResultBuilder]: For program point createClientKeyringEntryEXIT(lines 2243 2267) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2211(lines 2211 2217) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point generateKeyPairFINAL(lines 1480 1489) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L895 garLoopResultBuilder]: At program point L1485(line 1485) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-12-21 10:06:47,840 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1480 1489) the Hoare annotation is: (and (= ~__ste_client_privateKey0~0 |old(~__ste_client_privateKey0~0)|) (= ~__ste_client_privateKey2~0 |old(~__ste_client_privateKey2~0)|) (= ~__ste_client_privateKey1~0 |old(~__ste_client_privateKey1~0)|)) [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point generateKeyPairEXIT(lines 1480 1489) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2335(lines 2335 2371) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2358(lines 2358 2366) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2350(lines 2350 2354) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2346(lines 2346 2370) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2331 2374) the Hoare annotation is: true [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2336(lines 2336 2344) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point setClientKeyringUserEXIT(lines 2331 2374) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2361(lines 2361 2365) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2357-1(lines 2331 2374) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2357(lines 2357 2369) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2347(lines 2347 2355) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L2339(lines 2339 2343) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L921(lines 921 925) no Hoare annotation was computed. [2023-12-21 10:06:47,840 INFO L899 garLoopResultBuilder]: For program point L921-2(lines 914 929) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 926) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L895 garLoopResultBuilder]: At program point L1300(line 1300) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L1300-1(line 1300) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point sendEmailEXIT(lines 1405 1417) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point sendEmailFINAL(lines 1405 1417) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1405 1417) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-12-21 10:06:47,841 INFO L902 garLoopResultBuilder]: At program point L1413(line 1413) the Hoare annotation is: true [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 889) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point setEmailFromEXIT(lines 877 892) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 877 892) the Hoare annotation is: (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L884-2(lines 877 892) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op7~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 361 370) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L895 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~2#1| 1) (= |ULTIMATE.start_test_~op1~0#1| 0)) [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L2282(lines 2282 2293) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L2761(lines 2761 2768) no Hoare annotation was computed. [2023-12-21 10:06:47,841 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2834) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op5~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~2#1| 1) (= |ULTIMATE.start_test_~op1~0#1| 0)) [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L268-1(line 268) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~2#1| 1) (= |ULTIMATE.start_test_~op1~0#1| 0)) [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##90(lines 2771 2827) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L2300(lines 2300 2306) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L2416(lines 2416 2432) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op5~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L335-1(line 335) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op5~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L2697(lines 2697 2701) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##96(lines 2782 2826) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L286(line 286) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op4~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L286-1(line 286) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L2417(lines 2417 2428) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point L336(lines 329 340) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 2757 2828) no Hoare annotation was computed. [2023-12-21 10:06:47,842 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op4~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L2814(lines 2814 2821) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L895 garLoopResultBuilder]: At program point L287-1(line 287) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op4~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point $Ultimate##72(lines 2732 2830) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L895 garLoopResultBuilder]: At program point L2814-1(lines 2671 2835) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~2#1| 1) [2023-12-21 10:06:47,843 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 149 159) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L2286(lines 2286 2292) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L2402(lines 2402 2433) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point $Ultimate##78(lines 2746 2829) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L288(lines 281 292) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~2#1| 1) [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point $Ultimate##60(lines 2704 2832) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L189-1(line 189) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~2#1| 1) [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 118 127) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L2683(lines 2683 2690) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point L2403(lines 2403 2414) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point $Ultimate##66(lines 2718 2831) no Hoare annotation was computed. [2023-12-21 10:06:47,843 INFO L895 garLoopResultBuilder]: At program point L2816(line 2816) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op11~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2750(lines 2750 2754) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2816-1(line 2816) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2800(lines 2800 2807) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point $Ultimate##54(lines 2693 2833) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L895 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~2#1| 1) (= |ULTIMATE.start_test_~op10~0#1| 0)) [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L356-1(lines 351 360) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2388(lines 2388 2434) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2421(lines 2421 2427) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 200) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2389(lines 2389 2400) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2736(lines 2736 2743) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (and (not (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 1)) (= |ULTIMATE.start_main_~tmp~2#1| 1) (not (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 2))) [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 170 180) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2786(lines 2786 2793) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point getClientKeyringUser_returnLabel#1(lines 2277 2330) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2836(lines 2670 2837) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) (<= 2 |ULTIMATE.start_setup_rjh__wrappee__Base_~rjh___0#1|) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 139 148) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2407(lines 2407 2413) no Hoare annotation was computed. [2023-12-21 10:06:47,844 INFO L899 garLoopResultBuilder]: For program point L2672(lines 2671 2835) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L895 garLoopResultBuilder]: At program point L2788(line 2788) the Hoare annotation is: (and (= |ULTIMATE.start_test_~op9~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2309(lines 2309 2325) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2722(lines 2722 2729) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2788-1(line 2788) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2310(lines 2310 2321) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2393(lines 2393 2399) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L895 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~2#1| 1) (= |ULTIMATE.start_test_~op3~0#1| 0)) [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L346-1(lines 341 350) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2295(lines 2295 2326) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2708(lines 2708 2715) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~2#1| 1) [2023-12-21 10:06:47,845 INFO L895 garLoopResultBuilder]: At program point L165(line 165) the Hoare annotation is: (and (= 3 |ULTIMATE.start_setup_chuck__wrappee__Base_~chuck___0#1|) (= |ULTIMATE.start_main_~tmp~2#1| 1) (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 3)) [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 181 203) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 160 169) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point getClientKeyringPublicKey_returnLabel#1(lines 2384 2437) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point $Ultimate##102(lines 2796 2825) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point $Ultimate##108(lines 2810 2824) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L2296(lines 2296 2307) no Hoare annotation was computed. [2023-12-21 10:06:47,845 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 255) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2775(lines 2775 2779) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 255) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2314(lines 2314 2320) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2281(lines 2281 2327) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (= |ULTIMATE.start_main_~tmp~2#1| 1) [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 128 138) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point getEmailFromFINAL(lines 858 876) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 873) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point getEmailFromEXIT(lines 858 876) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 858 876) the Hoare annotation is: true [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L866(lines 866 872) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point isReadableEXIT(lines 1275 1283) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1275 1283) the Hoare annotation is: true [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2496(lines 2496 2532) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point setClientKeyringPublicKeyEXIT(lines 2492 2535) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2527) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2511(lines 2511 2515) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2507(lines 2507 2531) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2492 2535) the Hoare annotation is: true [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2497(lines 2497 2505) no Hoare annotation was computed. [2023-12-21 10:06:47,846 INFO L899 garLoopResultBuilder]: For program point L2522(lines 2522 2526) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2518(lines 2518 2530) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2518-1(lines 2492 2535) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2508(lines 2508 2516) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2500(lines 2500 2504) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2621(lines 2621 2625) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2618(lines 2618 2626) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2621-2(lines 2611 2630) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point L2615(lines 2615 2627) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L899 garLoopResultBuilder]: For program point setClientIdEXIT(lines 2611 2630) no Hoare annotation was computed. [2023-12-21 10:06:47,847 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2611 2630) the Hoare annotation is: (and (= |old(~__ste_client_idCounter0~0)| ~__ste_client_idCounter0~0) (= |old(~__ste_client_idCounter1~0)| ~__ste_client_idCounter1~0) (= |old(~__ste_client_idCounter2~0)| ~__ste_client_idCounter2~0)) [2023-12-21 10:06:47,849 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 10:06:47,850 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 10:06:47,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:06:47 BoogieIcfgContainer [2023-12-21 10:06:47,862 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 10:06:47,862 INFO L158 Benchmark]: Toolchain (without parser) took 624767.13ms. Allocated memory was 182.5MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 139.7MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.5GB. Max. memory is 8.0GB. [2023-12-21 10:06:47,862 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 182.5MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 10:06:47,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.97ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 98.8MB in the end (delta: 40.5MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-12-21 10:06:47,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.70ms. Allocated memory is still 182.5MB. Free memory was 98.8MB in the beginning and 154.0MB in the end (delta: -55.3MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2023-12-21 10:06:47,865 INFO L158 Benchmark]: Boogie Preprocessor took 63.66ms. Allocated memory is still 182.5MB. Free memory was 154.0MB in the beginning and 148.8MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-21 10:06:47,865 INFO L158 Benchmark]: RCFGBuilder took 766.16ms. Allocated memory is still 182.5MB. Free memory was 148.8MB in the beginning and 89.6MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-12-21 10:06:47,865 INFO L158 Benchmark]: TraceAbstraction took 623225.73ms. Allocated memory was 182.5MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 89.0MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.5GB. Max. memory is 8.0GB. [2023-12-21 10:06:47,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 182.5MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 598.97ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 98.8MB in the end (delta: 40.5MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 108.70ms. Allocated memory is still 182.5MB. Free memory was 98.8MB in the beginning and 154.0MB in the end (delta: -55.3MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.66ms. Allocated memory is still 182.5MB. Free memory was 154.0MB in the beginning and 148.8MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 766.16ms. Allocated memory is still 182.5MB. Free memory was 148.8MB in the beginning and 89.6MB in the end (delta: 59.2MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * TraceAbstraction took 623225.73ms. Allocated memory was 182.5MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 89.0MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.5GB. 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,"EncryptVerify_spec.i","") [48] - GenericResultAtLocation [Line: 79]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [79] - GenericResultAtLocation [Line: 371]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [371] - GenericResultAtLocation [Line: 737]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [737] - GenericResultAtLocation [Line: 746]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [746] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [781] - GenericResultAtLocation [Line: 1193]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1193] - GenericResultAtLocation [Line: 1210]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1210] - GenericResultAtLocation [Line: 1308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1308] - GenericResultAtLocation [Line: 1562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1562] - GenericResultAtLocation [Line: 2631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2631] * 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 - PositiveResult [Line: 742]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 16 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 623.2s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 588.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11543 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11304 mSDsluCounter, 16932 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12492 mSDsCounter, 2915 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20903 IncrementalHoareTripleChecker+Invalid, 23818 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2915 mSolverCounterUnsat, 4440 mSDtfsCounter, 20903 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1256 GetRequests, 1030 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89447occurred in iteration=21, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 934 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 38945 PreInvPairs, 57797 NumberOfFragments, 245 HoareAnnotationTreeSize, 38945 FormulaSimplifications, 88524321 FormulaSimplificationTreeSizeReduction, 338.6s HoareSimplificationTime, 50 FormulaSimplificationsInter, 348768 FormulaSimplificationTreeSizeReductionInter, 249.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2515 NumberOfCodeBlocks, 2515 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2575 ConstructedInterpolants, 0 QuantifiedInterpolants, 4531 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5349 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 21 PerfectInterpolantSequences, 849/873 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2671]: Loop Invariant Derived loop invariant: (tmp == 1) RESULT: Ultimate proved your program to be correct! [2023-12-21 10:06:47,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...