./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product30.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4fb36b23f327758af91661b12ca1735faf7949901dbd5c1543c17ea0384ceb9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:37:25,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:37:25,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:37:25,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:37:25,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:37:25,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:37:25,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:37:25,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:37:25,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:37:25,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:37:25,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:37:25,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:37:25,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:37:25,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:37:25,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:37:25,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:37:25,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:37:25,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:37:25,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:37:25,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:37:25,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:37:25,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:37:25,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:37:25,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:37:25,245 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:37:25,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:37:25,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:37:25,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:37:25,246 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:37:25,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:37:25,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:37:25,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:37:25,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:37:25,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:37:25,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:37:25,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:37:25,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:37:25,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:37:25,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:37:25,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:37:25,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:37:25,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:37:25,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4fb36b23f327758af91661b12ca1735faf7949901dbd5c1543c17ea0384ceb9 [2024-11-16 07:37:25,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:37:25,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:37:25,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:37:25,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:37:25,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:37:25,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product30.cil.c [2024-11-16 07:37:26,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:37:27,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:37:27,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product30.cil.c [2024-11-16 07:37:27,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493893b18/c42ee7d41d7048f987f62cf5097b8d19/FLAGd6a9a2739 [2024-11-16 07:37:27,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493893b18/c42ee7d41d7048f987f62cf5097b8d19 [2024-11-16 07:37:27,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:37:27,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:37:27,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:37:27,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:37:27,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:37:27,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a537215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27, skipping insertion in model container [2024-11-16 07:37:27,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:37:27,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product30.cil.c[29507,29520] [2024-11-16 07:37:27,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:37:27,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:37:27,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-16 07:37:27,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [443] [2024-11-16 07:37:27,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [668] [2024-11-16 07:37:27,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [685] [2024-11-16 07:37:27,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [705] [2024-11-16 07:37:27,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1104] [2024-11-16 07:37:27,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1240] [2024-11-16 07:37:27,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1278] [2024-11-16 07:37:27,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1560] [2024-11-16 07:37:27,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1569] [2024-11-16 07:37:27,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1935] [2024-11-16 07:37:27,650 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product30.cil.c[29507,29520] [2024-11-16 07:37:27,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:37:27,705 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:37:27,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27 WrapperNode [2024-11-16 07:37:27,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:37:27,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:37:27,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:37:27,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:37:27,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,778 INFO L138 Inliner]: procedures = 131, calls = 203, calls flagged for inlining = 60, calls inlined = 50, statements flattened = 904 [2024-11-16 07:37:27,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:37:27,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:37:27,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:37:27,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:37:27,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,818 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]. [2024-11-16 07:37:27,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:37:27,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:37:27,861 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:37:27,861 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:37:27,862 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (1/1) ... [2024-11-16 07:37:27,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:37:27,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:27,907 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) [2024-11-16 07:37:27,911 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 [2024-11-16 07:37:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-16 07:37:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-16 07:37:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-16 07:37:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-16 07:37:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-16 07:37:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-16 07:37:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-16 07:37:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-16 07:37:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-16 07:37:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-16 07:37:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-16 07:37:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-16 07:37:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-16 07:37:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-16 07:37:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-16 07:37:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:37:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:37:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:37:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:37:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-16 07:37:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-16 07:37:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:37:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:37:28,155 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:37:28,157 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:37:28,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2497-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~35#1; [2024-11-16 07:37:28,417 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2979-1: getClientId_#res#1 := getClientId_~retValue_acc~43#1; [2024-11-16 07:37:28,429 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1011: #res := ~retValue_acc~14; [2024-11-16 07:37:28,437 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L340: #res := ~retValue_acc~4; [2024-11-16 07:37:28,458 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2591-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~37#1; [2024-11-16 07:37:28,458 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2636: #res#1 := ~retValue_acc~38#1; [2024-11-16 07:37:28,475 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2860: #res := ~retValue_acc~41; [2024-11-16 07:37:28,481 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2544: #res := ~retValue_acc~36; [2024-11-16 07:37:28,489 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1237-1: createEmail_#res#1 := createEmail_~retValue_acc~20#1; [2024-11-16 07:37:28,499 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L937: #res := ~retValue_acc~12; [2024-11-16 07:37:28,511 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L974: #res := ~retValue_acc~13; [2024-11-16 07:37:28,516 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1048: #res := ~retValue_acc~15; [2024-11-16 07:37:28,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L822: #res := ~retValue_acc~9; [2024-11-16 07:37:28,717 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1275-1: valid_product_#res#1 := valid_product_~retValue_acc~22#1; [2024-11-16 07:37:28,718 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2806-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~40#1; [2024-11-16 07:37:28,718 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2699-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~39#1; [2024-11-16 07:37:28,718 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~1#1; [2024-11-16 07:37:28,718 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~2#1; [2024-11-16 07:37:28,718 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L315-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~3#1; [2024-11-16 07:37:28,723 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L785: #res := ~retValue_acc~8; [2024-11-16 07:37:28,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1213: #res#1 := ~retValue_acc~18#1; [2024-11-16 07:37:28,730 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1193-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~17#1; [2024-11-16 07:37:28,817 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2024-11-16 07:37:28,818 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:37:28,837 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:37:28,837 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:37:28,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:37:28 BoogieIcfgContainer [2024-11-16 07:37:28,838 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:37:28,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:37:28,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:37:28,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:37:28,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:37:27" (1/3) ... [2024-11-16 07:37:28,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3992aba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:28, skipping insertion in model container [2024-11-16 07:37:28,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:27" (2/3) ... [2024-11-16 07:37:28,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3992aba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:28, skipping insertion in model container [2024-11-16 07:37:28,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:37:28" (3/3) ... [2024-11-16 07:37:28,846 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product30.cil.c [2024-11-16 07:37:28,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:37:28,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:37:28,940 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:37:28,969 INFO L333 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, 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;@a9ceb78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:37:28,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:37:28,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 357 states, 280 states have (on average 1.4928571428571429) internal successors, (418), 284 states have internal predecessors, (418), 52 states have call successors, (52), 23 states have call predecessors, (52), 23 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 07:37:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-16 07:37:29,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:29,001 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:29,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:29,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:29,006 INFO L85 PathProgramCache]: Analyzing trace with hash 847828129, now seen corresponding path program 1 times [2024-11-16 07:37:29,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:29,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471155410] [2024-11-16 07:37:29,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:29,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:37:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:37:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:37:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 07:37:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 07:37:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:37:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:37:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 07:37:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:37:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:37:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:37:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:37:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:37:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 07:37:29,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:29,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471155410] [2024-11-16 07:37:29,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471155410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:37:29,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282052134] [2024-11-16 07:37:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:29,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:29,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:29,824 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) [2024-11-16 07:37:29,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:37:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 07:37:30,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:37:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-16 07:37:30,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:37:30,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282052134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:30,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:37:30,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-16 07:37:30,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091051217] [2024-11-16 07:37:30,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:30,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:37:30,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:30,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:37:30,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:37:30,193 INFO L87 Difference]: Start difference. First operand has 357 states, 280 states have (on average 1.4928571428571429) internal successors, (418), 284 states have internal predecessors, (418), 52 states have call successors, (52), 23 states have call predecessors, (52), 23 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:30,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:30,231 INFO L93 Difference]: Finished difference Result 548 states and 786 transitions. [2024-11-16 07:37:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:37:30,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-16 07:37:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:30,244 INFO L225 Difference]: With dead ends: 548 [2024-11-16 07:37:30,244 INFO L226 Difference]: Without dead ends: 349 [2024-11-16 07:37:30,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:37:30,251 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:30,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:37:30,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-16 07:37:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-11-16 07:37:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 273 states have (on average 1.4871794871794872) internal successors, (406), 276 states have internal predecessors, (406), 52 states have call successors, (52), 23 states have call predecessors, (52), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 07:37:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 509 transitions. [2024-11-16 07:37:30,309 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 509 transitions. Word has length 140 [2024-11-16 07:37:30,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:30,310 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 509 transitions. [2024-11-16 07:37:30,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 509 transitions. [2024-11-16 07:37:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 07:37:30,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:30,315 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:30,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 07:37:30,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-16 07:37:30,518 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:30,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:30,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1406676301, now seen corresponding path program 1 times [2024-11-16 07:37:30,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:30,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596235525] [2024-11-16 07:37:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:30,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:37:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:37:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:37:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:37:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 07:37:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:37:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:37:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:37:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:37:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:37:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:37:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:37:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:37:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 07:37:30,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596235525] [2024-11-16 07:37:30,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596235525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:37:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987299498] [2024-11-16 07:37:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:30,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:30,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:30,749 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) [2024-11-16 07:37:30,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 07:37:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:30,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 07:37:31,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:37:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-16 07:37:31,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:37:31,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987299498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:31,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:37:31,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:37:31,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622085199] [2024-11-16 07:37:31,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:31,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:37:31,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:31,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:37:31,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:37:31,027 INFO L87 Difference]: Start difference. First operand 349 states and 509 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:31,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:31,070 INFO L93 Difference]: Finished difference Result 538 states and 767 transitions. [2024-11-16 07:37:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:37:31,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-16 07:37:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:31,079 INFO L225 Difference]: With dead ends: 538 [2024-11-16 07:37:31,080 INFO L226 Difference]: Without dead ends: 353 [2024-11-16 07:37:31,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:37:31,085 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 0 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:31,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1014 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:37:31,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-16 07:37:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-11-16 07:37:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 277 states have (on average 1.48014440433213) internal successors, (410), 280 states have internal predecessors, (410), 52 states have call successors, (52), 23 states have call predecessors, (52), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 07:37:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 513 transitions. [2024-11-16 07:37:31,114 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 513 transitions. Word has length 143 [2024-11-16 07:37:31,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:31,115 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 513 transitions. [2024-11-16 07:37:31,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 513 transitions. [2024-11-16 07:37:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-16 07:37:31,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:31,118 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:31,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 07:37:31,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-16 07:37:31,320 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:31,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:31,320 INFO L85 PathProgramCache]: Analyzing trace with hash 451470396, now seen corresponding path program 1 times [2024-11-16 07:37:31,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:31,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16673302] [2024-11-16 07:37:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:37:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:37:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:37:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:37:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:37:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 07:37:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:37:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:37:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:37:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:37:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:37:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:37:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:37:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-16 07:37:31,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16673302] [2024-11-16 07:37:31,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16673302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:37:31,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429839979] [2024-11-16 07:37:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:31,609 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) [2024-11-16 07:37:31,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 07:37:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:31,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:37:31,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:37:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-16 07:37:31,901 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:37:31,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429839979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:31,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:37:31,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:37:31,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123076647] [2024-11-16 07:37:31,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:31,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:37:31,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:31,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:37:31,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:37:31,903 INFO L87 Difference]: Start difference. First operand 353 states and 513 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:31,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:31,928 INFO L93 Difference]: Finished difference Result 745 states and 1094 transitions. [2024-11-16 07:37:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:37:31,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2024-11-16 07:37:31,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:31,931 INFO L225 Difference]: With dead ends: 745 [2024-11-16 07:37:31,932 INFO L226 Difference]: Without dead ends: 421 [2024-11-16 07:37:31,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:37:31,934 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 117 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:31,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 980 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:37:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-16 07:37:31,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 413. [2024-11-16 07:37:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 326 states have (on average 1.48159509202454) internal successors, (483), 329 states have internal predecessors, (483), 63 states have call successors, (63), 23 states have call predecessors, (63), 23 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 07:37:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 608 transitions. [2024-11-16 07:37:31,950 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 608 transitions. Word has length 154 [2024-11-16 07:37:31,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:31,951 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 608 transitions. [2024-11-16 07:37:31,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 608 transitions. [2024-11-16 07:37:31,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 07:37:31,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:31,954 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:31,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 07:37:32,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:32,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:32,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:32,156 INFO L85 PathProgramCache]: Analyzing trace with hash 701528400, now seen corresponding path program 1 times [2024-11-16 07:37:32,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:32,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828340443] [2024-11-16 07:37:32,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:32,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:37:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:37:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:37:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 07:37:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:37:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 07:37:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:37:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:37:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:37:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:37:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:37:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:37:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:37:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-16 07:37:32,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:32,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828340443] [2024-11-16 07:37:32,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828340443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:37:32,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878510762] [2024-11-16 07:37:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:32,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:32,347 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) [2024-11-16 07:37:32,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 07:37:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:32,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 07:37:32,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:37:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-16 07:37:32,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:37:32,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878510762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:32,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:37:32,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-16 07:37:32,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87470513] [2024-11-16 07:37:32,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:32,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:37:32,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:32,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:37:32,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:37:32,664 INFO L87 Difference]: Start difference. First operand 413 states and 608 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:32,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:32,706 INFO L93 Difference]: Finished difference Result 817 states and 1206 transitions. [2024-11-16 07:37:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:37:32,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 155 [2024-11-16 07:37:32,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:32,712 INFO L225 Difference]: With dead ends: 817 [2024-11-16 07:37:32,712 INFO L226 Difference]: Without dead ends: 415 [2024-11-16 07:37:32,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:37:32,715 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 2 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:32,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1993 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:37:32,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-16 07:37:32,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-16 07:37:32,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 327 states have (on average 1.4801223241590213) internal successors, (484), 331 states have internal predecessors, (484), 63 states have call successors, (63), 23 states have call predecessors, (63), 24 states have return successors, (64), 62 states have call predecessors, (64), 62 states have call successors, (64) [2024-11-16 07:37:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 611 transitions. [2024-11-16 07:37:32,741 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 611 transitions. Word has length 155 [2024-11-16 07:37:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:32,742 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 611 transitions. [2024-11-16 07:37:32,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 611 transitions. [2024-11-16 07:37:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-16 07:37:32,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:32,748 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:32,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 07:37:32,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:32,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:32,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:32,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1076143699, now seen corresponding path program 1 times [2024-11-16 07:37:32,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:32,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392532284] [2024-11-16 07:37:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:37:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:37:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 07:37:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:37:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:37:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:37:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 07:37:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:37:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:37:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:37:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:37:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:37:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:37:33,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392532284] [2024-11-16 07:37:33,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392532284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:37:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748290835] [2024-11-16 07:37:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:33,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:33,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:33,138 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) [2024-11-16 07:37:33,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 07:37:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 07:37:33,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:37:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-16 07:37:33,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:37:33,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748290835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:33,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:37:33,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-16 07:37:33,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515590343] [2024-11-16 07:37:33,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:33,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:37:33,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:33,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:37:33,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:37:33,459 INFO L87 Difference]: Start difference. First operand 415 states and 611 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:33,507 INFO L93 Difference]: Finished difference Result 819 states and 1211 transitions. [2024-11-16 07:37:33,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:37:33,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 156 [2024-11-16 07:37:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:33,509 INFO L225 Difference]: With dead ends: 819 [2024-11-16 07:37:33,509 INFO L226 Difference]: Without dead ends: 417 [2024-11-16 07:37:33,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:37:33,511 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 2 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:33,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1979 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:37:33,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-16 07:37:33,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-11-16 07:37:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 328 states have (on average 1.478658536585366) internal successors, (485), 333 states have internal predecessors, (485), 63 states have call successors, (63), 23 states have call predecessors, (63), 25 states have return successors, (69), 62 states have call predecessors, (69), 62 states have call successors, (69) [2024-11-16 07:37:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 617 transitions. [2024-11-16 07:37:33,523 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 617 transitions. Word has length 156 [2024-11-16 07:37:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:33,523 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 617 transitions. [2024-11-16 07:37:33,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 617 transitions. [2024-11-16 07:37:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:37:33,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:33,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:33,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 07:37:33,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:33,726 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:33,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1730792279, now seen corresponding path program 1 times [2024-11-16 07:37:33,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:33,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344377336] [2024-11-16 07:37:33,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:33,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 07:37:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:37:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:37:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:37:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:37:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:37:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:37:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:37:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:37:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:37:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:37:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-16 07:37:33,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:33,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344377336] [2024-11-16 07:37:33,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344377336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:33,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:33,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:37:33,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953147484] [2024-11-16 07:37:33,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:33,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:37:33,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:33,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:37:33,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:37:33,910 INFO L87 Difference]: Start difference. First operand 417 states and 617 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:35,307 INFO L93 Difference]: Finished difference Result 924 states and 1371 transitions. [2024-11-16 07:37:35,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:37:35,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 157 [2024-11-16 07:37:35,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:35,313 INFO L225 Difference]: With dead ends: 924 [2024-11-16 07:37:35,313 INFO L226 Difference]: Without dead ends: 530 [2024-11-16 07:37:35,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:37:35,315 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1167 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 2096 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 2096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:35,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1196 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 2096 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 07:37:35,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-16 07:37:35,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 417. [2024-11-16 07:37:35,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 328 states have (on average 1.478658536585366) internal successors, (485), 333 states have internal predecessors, (485), 63 states have call successors, (63), 23 states have call predecessors, (63), 25 states have return successors, (68), 62 states have call predecessors, (68), 62 states have call successors, (68) [2024-11-16 07:37:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 616 transitions. [2024-11-16 07:37:35,347 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 616 transitions. Word has length 157 [2024-11-16 07:37:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:35,347 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 616 transitions. [2024-11-16 07:37:35,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 616 transitions. [2024-11-16 07:37:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-16 07:37:35,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:35,369 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:35,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:37:35,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:35,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:35,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1376249970, now seen corresponding path program 2 times [2024-11-16 07:37:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:35,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103267820] [2024-11-16 07:37:35,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:37:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:37:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 07:37:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:37:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:37:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:37:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:37:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:37:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:37:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:37:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:37:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-16 07:37:35,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103267820] [2024-11-16 07:37:35,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103267820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:35,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:35,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:37:35,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913926185] [2024-11-16 07:37:35,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:35,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:37:35,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:37:35,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:37:35,617 INFO L87 Difference]: Start difference. First operand 417 states and 616 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:37,327 INFO L93 Difference]: Finished difference Result 926 states and 1374 transitions. [2024-11-16 07:37:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:37:37,328 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 158 [2024-11-16 07:37:37,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:37,332 INFO L225 Difference]: With dead ends: 926 [2024-11-16 07:37:37,332 INFO L226 Difference]: Without dead ends: 532 [2024-11-16 07:37:37,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:37:37,334 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1190 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 2425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:37,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 1196 Invalid, 2425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:37:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-16 07:37:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 419. [2024-11-16 07:37:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 329 states have (on average 1.4772036474164134) internal successors, (486), 335 states have internal predecessors, (486), 63 states have call successors, (63), 23 states have call predecessors, (63), 26 states have return successors, (70), 62 states have call predecessors, (70), 62 states have call successors, (70) [2024-11-16 07:37:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 619 transitions. [2024-11-16 07:37:37,375 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 619 transitions. Word has length 158 [2024-11-16 07:37:37,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:37,375 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 619 transitions. [2024-11-16 07:37:37,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-16 07:37:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 619 transitions. [2024-11-16 07:37:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 07:37:37,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:37,377 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:37,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:37:37,378 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:37,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash 508505932, now seen corresponding path program 1 times [2024-11-16 07:37:37,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:37,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156910277] [2024-11-16 07:37:37,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:37,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:37:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 07:37:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:37:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:37:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:37:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:37:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:37:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:37:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:37:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:37:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:37:37,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:37,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156910277] [2024-11-16 07:37:37,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156910277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:37,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:37,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:37:37,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85550347] [2024-11-16 07:37:37,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:37,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:37:37,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:37,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:37:37,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:37:37,597 INFO L87 Difference]: Start difference. First operand 419 states and 619 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 07:37:39,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:39,534 INFO L93 Difference]: Finished difference Result 924 states and 1369 transitions. [2024-11-16 07:37:39,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:37:39,535 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 159 [2024-11-16 07:37:39,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:39,537 INFO L225 Difference]: With dead ends: 924 [2024-11-16 07:37:39,537 INFO L226 Difference]: Without dead ends: 532 [2024-11-16 07:37:39,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:37:39,539 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1102 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 3703 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 4050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 3703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:39,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 1656 Invalid, 4050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 3703 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 07:37:39,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-16 07:37:39,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 419. [2024-11-16 07:37:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 329 states have (on average 1.4772036474164134) internal successors, (486), 335 states have internal predecessors, (486), 63 states have call successors, (63), 23 states have call predecessors, (63), 26 states have return successors, (69), 62 states have call predecessors, (69), 62 states have call successors, (69) [2024-11-16 07:37:39,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 618 transitions. [2024-11-16 07:37:39,560 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 618 transitions. Word has length 159 [2024-11-16 07:37:39,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:39,561 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 618 transitions. [2024-11-16 07:37:39,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 07:37:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 618 transitions. [2024-11-16 07:37:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 07:37:39,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:39,563 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:39,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:37:39,563 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:39,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:39,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1034295800, now seen corresponding path program 2 times [2024-11-16 07:37:39,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:39,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314305601] [2024-11-16 07:37:39,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:39,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:37:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:37:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:37:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:37:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:37:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:37:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:37:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:37:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:37:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:37:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:37:39,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:39,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314305601] [2024-11-16 07:37:39,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314305601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:39,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:39,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:37:39,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858973178] [2024-11-16 07:37:39,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:39,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:37:39,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:37:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:37:39,773 INFO L87 Difference]: Start difference. First operand 419 states and 618 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 07:37:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:41,662 INFO L93 Difference]: Finished difference Result 926 states and 1375 transitions. [2024-11-16 07:37:41,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:37:41,663 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 160 [2024-11-16 07:37:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:41,665 INFO L225 Difference]: With dead ends: 926 [2024-11-16 07:37:41,666 INFO L226 Difference]: Without dead ends: 534 [2024-11-16 07:37:41,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:37:41,668 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1191 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 3472 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 3838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 3472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:41,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 1657 Invalid, 3838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 3472 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:37:41,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-16 07:37:41,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 421. [2024-11-16 07:37:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 330 states have (on average 1.4757575757575758) internal successors, (487), 337 states have internal predecessors, (487), 63 states have call successors, (63), 23 states have call predecessors, (63), 27 states have return successors, (74), 62 states have call predecessors, (74), 62 states have call successors, (74) [2024-11-16 07:37:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 624 transitions. [2024-11-16 07:37:41,688 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 624 transitions. Word has length 160 [2024-11-16 07:37:41,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:41,688 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 624 transitions. [2024-11-16 07:37:41,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 8 states have internal predecessors, (99), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-16 07:37:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 624 transitions. [2024-11-16 07:37:41,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 07:37:41,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:41,690 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:41,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:37:41,691 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:41,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:41,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1512448783, now seen corresponding path program 1 times [2024-11-16 07:37:41,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:41,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248177634] [2024-11-16 07:37:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:37:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 07:37:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:37:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:37:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:37:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:37:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:37:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:37:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:37:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:37:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-16 07:37:41,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:41,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248177634] [2024-11-16 07:37:41,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248177634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:37:41,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008598845] [2024-11-16 07:37:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:41,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:37:41,927 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) [2024-11-16 07:37:41,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 07:37:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:42,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:37:42,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:37:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:42,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:37:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:42,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008598845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:37:42,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:37:42,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-16 07:37:42,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287225643] [2024-11-16 07:37:42,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:37:42,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 07:37:42,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:42,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 07:37:42,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:37:42,330 INFO L87 Difference]: Start difference. First operand 421 states and 624 transitions. Second operand has 15 states, 14 states have (on average 11.928571428571429) internal successors, (167), 11 states have internal predecessors, (167), 4 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-16 07:37:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:44,634 INFO L93 Difference]: Finished difference Result 1331 states and 2062 transitions. [2024-11-16 07:37:44,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 07:37:44,635 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 11.928571428571429) internal successors, (167), 11 states have internal predecessors, (167), 4 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 161 [2024-11-16 07:37:44,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:44,639 INFO L225 Difference]: With dead ends: 1331 [2024-11-16 07:37:44,639 INFO L226 Difference]: Without dead ends: 943 [2024-11-16 07:37:44,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-16 07:37:44,641 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 2293 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 4185 mSolverCounterSat, 703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 4888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 4185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:44,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 2033 Invalid, 4888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [703 Valid, 4185 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 07:37:44,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-16 07:37:44,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 806. [2024-11-16 07:37:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 651 states have (on average 1.4976958525345623) internal successors, (975), 658 states have internal predecessors, (975), 127 states have call successors, (127), 23 states have call predecessors, (127), 27 states have return successors, (148), 126 states have call predecessors, (148), 126 states have call successors, (148) [2024-11-16 07:37:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1250 transitions. [2024-11-16 07:37:44,672 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1250 transitions. Word has length 161 [2024-11-16 07:37:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:44,672 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1250 transitions. [2024-11-16 07:37:44,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 11.928571428571429) internal successors, (167), 11 states have internal predecessors, (167), 4 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-16 07:37:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1250 transitions. [2024-11-16 07:37:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 07:37:44,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:44,675 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:44,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 07:37:44,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:37:44,877 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:44,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:44,877 INFO L85 PathProgramCache]: Analyzing trace with hash 247423106, now seen corresponding path program 1 times [2024-11-16 07:37:44,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:44,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375862325] [2024-11-16 07:37:44,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:44,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:37:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:37:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:37:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:37:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:37:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:37:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:37:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:37:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:37:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 07:37:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:44,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:44,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375862325] [2024-11-16 07:37:44,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375862325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:44,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:44,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:44,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23065242] [2024-11-16 07:37:44,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:44,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:44,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:44,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:44,996 INFO L87 Difference]: Start difference. First operand 806 states and 1250 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:46,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:46,228 INFO L93 Difference]: Finished difference Result 2010 states and 3175 transitions. [2024-11-16 07:37:46,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:46,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 171 [2024-11-16 07:37:46,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:46,234 INFO L225 Difference]: With dead ends: 2010 [2024-11-16 07:37:46,234 INFO L226 Difference]: Without dead ends: 1286 [2024-11-16 07:37:46,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:46,237 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1248 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:46,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 896 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 07:37:46,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-11-16 07:37:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1165. [2024-11-16 07:37:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 946 states have (on average 1.5) internal successors, (1419), 953 states have internal predecessors, (1419), 191 states have call successors, (191), 23 states have call predecessors, (191), 27 states have return successors, (222), 190 states have call predecessors, (222), 190 states have call successors, (222) [2024-11-16 07:37:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1832 transitions. [2024-11-16 07:37:46,286 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1832 transitions. Word has length 171 [2024-11-16 07:37:46,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:46,286 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1832 transitions. [2024-11-16 07:37:46,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1832 transitions. [2024-11-16 07:37:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 07:37:46,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:46,291 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:46,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:37:46,291 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:46,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:46,291 INFO L85 PathProgramCache]: Analyzing trace with hash 484125360, now seen corresponding path program 1 times [2024-11-16 07:37:46,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:46,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874158496] [2024-11-16 07:37:46,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:46,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:37:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:37:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:37:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:37:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:37:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:37:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:37:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:37:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:37:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 07:37:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874158496] [2024-11-16 07:37:46,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874158496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:46,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:46,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:46,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998390623] [2024-11-16 07:37:46,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:46,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:46,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:46,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:46,396 INFO L87 Difference]: Start difference. First operand 1165 states and 1832 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:47,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:47,380 INFO L93 Difference]: Finished difference Result 2897 states and 4602 transitions. [2024-11-16 07:37:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:47,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2024-11-16 07:37:47,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:47,388 INFO L225 Difference]: With dead ends: 2897 [2024-11-16 07:37:47,388 INFO L226 Difference]: Without dead ends: 1875 [2024-11-16 07:37:47,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:47,392 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1266 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:47,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 909 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 07:37:47,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-11-16 07:37:47,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1754. [2024-11-16 07:37:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1440 states have (on average 1.4979166666666666) internal successors, (2157), 1447 states have internal predecessors, (2157), 286 states have call successors, (286), 23 states have call predecessors, (286), 27 states have return successors, (317), 285 states have call predecessors, (317), 285 states have call successors, (317) [2024-11-16 07:37:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2760 transitions. [2024-11-16 07:37:47,447 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2760 transitions. Word has length 172 [2024-11-16 07:37:47,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:47,448 INFO L471 AbstractCegarLoop]: Abstraction has 1754 states and 2760 transitions. [2024-11-16 07:37:47,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2760 transitions. [2024-11-16 07:37:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 07:37:47,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:47,455 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:47,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:37:47,455 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:47,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:47,455 INFO L85 PathProgramCache]: Analyzing trace with hash 786472770, now seen corresponding path program 1 times [2024-11-16 07:37:47,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:47,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520590201] [2024-11-16 07:37:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:47,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:37:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:37:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:37:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:37:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:37:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:37:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:37:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:37:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:37:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:37:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:47,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:47,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520590201] [2024-11-16 07:37:47,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520590201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:47,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:47,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:47,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958563040] [2024-11-16 07:37:47,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:47,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:47,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:47,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:47,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:47,590 INFO L87 Difference]: Start difference. First operand 1754 states and 2760 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:48,636 INFO L93 Difference]: Finished difference Result 4234 states and 6755 transitions. [2024-11-16 07:37:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:48,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-16 07:37:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:48,649 INFO L225 Difference]: With dead ends: 4234 [2024-11-16 07:37:48,649 INFO L226 Difference]: Without dead ends: 2776 [2024-11-16 07:37:48,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:48,655 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1326 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:48,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 871 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:37:48,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2024-11-16 07:37:48,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2655. [2024-11-16 07:37:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2655 states, 2218 states have (on average 1.4954914337240757) internal successors, (3317), 2225 states have internal predecessors, (3317), 409 states have call successors, (409), 23 states have call predecessors, (409), 27 states have return successors, (456), 408 states have call predecessors, (456), 408 states have call successors, (456) [2024-11-16 07:37:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 4182 transitions. [2024-11-16 07:37:48,741 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 4182 transitions. Word has length 173 [2024-11-16 07:37:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:48,741 INFO L471 AbstractCegarLoop]: Abstraction has 2655 states and 4182 transitions. [2024-11-16 07:37:48,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 4182 transitions. [2024-11-16 07:37:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 07:37:48,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:48,751 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:48,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:37:48,752 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:48,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:48,752 INFO L85 PathProgramCache]: Analyzing trace with hash -116058544, now seen corresponding path program 1 times [2024-11-16 07:37:48,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:48,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996380378] [2024-11-16 07:37:48,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:48,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:37:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:37:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:37:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:37:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:37:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:37:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:37:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:37:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:37:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:37:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:48,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:48,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996380378] [2024-11-16 07:37:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996380378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:48,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:48,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:48,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522839299] [2024-11-16 07:37:48,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:48,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:48,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:48,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:48,884 INFO L87 Difference]: Start difference. First operand 2655 states and 4182 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:49,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:49,991 INFO L93 Difference]: Finished difference Result 6331 states and 10123 transitions. [2024-11-16 07:37:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:49,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2024-11-16 07:37:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:50,007 INFO L225 Difference]: With dead ends: 6331 [2024-11-16 07:37:50,008 INFO L226 Difference]: Without dead ends: 4224 [2024-11-16 07:37:50,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:50,014 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1207 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:50,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 874 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:37:50,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4224 states. [2024-11-16 07:37:50,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4224 to 4103. [2024-11-16 07:37:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 3487 states have (on average 1.4921135646687698) internal successors, (5203), 3494 states have internal predecessors, (5203), 588 states have call successors, (588), 23 states have call predecessors, (588), 27 states have return successors, (661), 587 states have call predecessors, (661), 587 states have call successors, (661) [2024-11-16 07:37:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 6452 transitions. [2024-11-16 07:37:50,170 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 6452 transitions. Word has length 174 [2024-11-16 07:37:50,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:50,171 INFO L471 AbstractCegarLoop]: Abstraction has 4103 states and 6452 transitions. [2024-11-16 07:37:50,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 6452 transitions. [2024-11-16 07:37:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 07:37:50,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:50,184 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:50,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:37:50,184 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:50,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:50,185 INFO L85 PathProgramCache]: Analyzing trace with hash -743697822, now seen corresponding path program 1 times [2024-11-16 07:37:50,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:50,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233917635] [2024-11-16 07:37:50,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:50,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:37:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:37:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:37:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:37:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:37:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:37:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:37:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:37:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:37:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 07:37:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:50,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:50,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233917635] [2024-11-16 07:37:50,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233917635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:50,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:50,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:50,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032718891] [2024-11-16 07:37:50,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:50,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:50,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:50,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:50,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:50,278 INFO L87 Difference]: Start difference. First operand 4103 states and 6452 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:51,596 INFO L93 Difference]: Finished difference Result 10076 states and 16111 transitions. [2024-11-16 07:37:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2024-11-16 07:37:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:51,623 INFO L225 Difference]: With dead ends: 10076 [2024-11-16 07:37:51,623 INFO L226 Difference]: Without dead ends: 6826 [2024-11-16 07:37:51,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:51,631 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1272 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:51,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 948 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 07:37:51,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6826 states. [2024-11-16 07:37:51,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6826 to 6705. [2024-11-16 07:37:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 5713 states have (on average 1.4825835813057937) internal successors, (8470), 5720 states have internal predecessors, (8470), 964 states have call successors, (964), 23 states have call predecessors, (964), 27 states have return successors, (1081), 963 states have call predecessors, (1081), 963 states have call successors, (1081) [2024-11-16 07:37:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 10515 transitions. [2024-11-16 07:37:51,824 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 10515 transitions. Word has length 175 [2024-11-16 07:37:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:51,825 INFO L471 AbstractCegarLoop]: Abstraction has 6705 states and 10515 transitions. [2024-11-16 07:37:51,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 10515 transitions. [2024-11-16 07:37:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 07:37:51,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:51,845 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:51,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 07:37:51,845 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:51,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:51,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1363455696, now seen corresponding path program 1 times [2024-11-16 07:37:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:51,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113286294] [2024-11-16 07:37:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:51,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:37:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:37:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:37:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:37:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:37:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:37:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:37:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:37:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:37:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 07:37:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:51,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:51,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113286294] [2024-11-16 07:37:51,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113286294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:51,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:51,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:51,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155564171] [2024-11-16 07:37:51,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:51,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:51,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:51,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:51,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:51,986 INFO L87 Difference]: Start difference. First operand 6705 states and 10515 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:53,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:53,288 INFO L93 Difference]: Finished difference Result 16717 states and 26631 transitions. [2024-11-16 07:37:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:53,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2024-11-16 07:37:53,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:53,328 INFO L225 Difference]: With dead ends: 16717 [2024-11-16 07:37:53,329 INFO L226 Difference]: Without dead ends: 11345 [2024-11-16 07:37:53,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:53,339 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1204 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:53,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 873 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 07:37:53,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11345 states. [2024-11-16 07:37:53,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11345 to 11224. [2024-11-16 07:37:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11224 states, 9626 states have (on average 1.4765219198005402) internal successors, (14213), 9633 states have internal predecessors, (14213), 1570 states have call successors, (1570), 23 states have call predecessors, (1570), 27 states have return successors, (1765), 1569 states have call predecessors, (1765), 1569 states have call successors, (1765) [2024-11-16 07:37:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11224 states to 11224 states and 17548 transitions. [2024-11-16 07:37:53,752 INFO L78 Accepts]: Start accepts. Automaton has 11224 states and 17548 transitions. Word has length 176 [2024-11-16 07:37:53,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:53,752 INFO L471 AbstractCegarLoop]: Abstraction has 11224 states and 17548 transitions. [2024-11-16 07:37:53,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 11224 states and 17548 transitions. [2024-11-16 07:37:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 07:37:53,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:53,793 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:53,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 07:37:53,793 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:53,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:53,794 INFO L85 PathProgramCache]: Analyzing trace with hash 375037218, now seen corresponding path program 1 times [2024-11-16 07:37:53,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:53,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28481044] [2024-11-16 07:37:53,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:53,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:37:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:37:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:37:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:37:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:37:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:37:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:37:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:37:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:37:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 07:37:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:53,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:53,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28481044] [2024-11-16 07:37:53,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28481044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:53,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:53,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:53,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030692758] [2024-11-16 07:37:53,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:53,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:53,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:53,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:53,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:53,893 INFO L87 Difference]: Start difference. First operand 11224 states and 17548 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:55,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:55,381 INFO L93 Difference]: Finished difference Result 29194 states and 46365 transitions. [2024-11-16 07:37:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:55,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 177 [2024-11-16 07:37:55,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:55,446 INFO L225 Difference]: With dead ends: 29194 [2024-11-16 07:37:55,446 INFO L226 Difference]: Without dead ends: 19863 [2024-11-16 07:37:55,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:55,479 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1255 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:55,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 919 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 07:37:55,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19863 states. [2024-11-16 07:37:56,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19863 to 19742. [2024-11-16 07:37:56,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19742 states, 16941 states have (on average 1.466737500737855) internal successors, (24848), 16948 states have internal predecessors, (24848), 2773 states have call successors, (2773), 23 states have call predecessors, (2773), 27 states have return successors, (3112), 2772 states have call predecessors, (3112), 2772 states have call successors, (3112) [2024-11-16 07:37:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19742 states to 19742 states and 30733 transitions. [2024-11-16 07:37:56,271 INFO L78 Accepts]: Start accepts. Automaton has 19742 states and 30733 transitions. Word has length 177 [2024-11-16 07:37:56,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:56,272 INFO L471 AbstractCegarLoop]: Abstraction has 19742 states and 30733 transitions. [2024-11-16 07:37:56,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 19742 states and 30733 transitions. [2024-11-16 07:37:56,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 07:37:56,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:56,303 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:56,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 07:37:56,304 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:56,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1268764688, now seen corresponding path program 1 times [2024-11-16 07:37:56,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:56,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539680068] [2024-11-16 07:37:56,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:37:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:37:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:37:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:37:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:37:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:37:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:37:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:37:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:37:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 07:37:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:56,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:56,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539680068] [2024-11-16 07:37:56,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539680068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:56,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:56,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:56,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001713894] [2024-11-16 07:37:56,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:56,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:56,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:56,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:56,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:56,429 INFO L87 Difference]: Start difference. First operand 19742 states and 30733 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:37:58,068 INFO L93 Difference]: Finished difference Result 52582 states and 83184 transitions. [2024-11-16 07:37:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:37:58,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 178 [2024-11-16 07:37:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:37:58,168 INFO L225 Difference]: With dead ends: 52582 [2024-11-16 07:37:58,169 INFO L226 Difference]: Without dead ends: 35518 [2024-11-16 07:37:58,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:37:58,198 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1297 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:37:58,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 872 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:37:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35518 states. [2024-11-16 07:37:59,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35518 to 35397. [2024-11-16 07:37:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35397 states, 30557 states have (on average 1.4600582517917335) internal successors, (44615), 30564 states have internal predecessors, (44615), 4812 states have call successors, (4812), 23 states have call predecessors, (4812), 27 states have return successors, (5425), 4811 states have call predecessors, (5425), 4811 states have call successors, (5425) [2024-11-16 07:37:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35397 states to 35397 states and 54852 transitions. [2024-11-16 07:37:59,368 INFO L78 Accepts]: Start accepts. Automaton has 35397 states and 54852 transitions. Word has length 178 [2024-11-16 07:37:59,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:37:59,368 INFO L471 AbstractCegarLoop]: Abstraction has 35397 states and 54852 transitions. [2024-11-16 07:37:59,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:37:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 35397 states and 54852 transitions. [2024-11-16 07:37:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 07:37:59,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:37:59,417 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:37:59,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 07:37:59,417 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:37:59,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:37:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1669614654, now seen corresponding path program 1 times [2024-11-16 07:37:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:37:59,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533419601] [2024-11-16 07:37:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:37:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:37:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:37:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:37:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:37:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:37:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:37:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:37:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:37:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 07:37:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:37:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:37:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:37:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:37:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:37:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:37:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:37:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 07:37:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:37:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:37:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:37:59,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:37:59,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533419601] [2024-11-16 07:37:59,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533419601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:37:59,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:37:59,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:37:59,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540534966] [2024-11-16 07:37:59,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:37:59,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:37:59,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:37:59,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:37:59,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:37:59,538 INFO L87 Difference]: Start difference. First operand 35397 states and 54852 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:38:02,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:38:02,313 INFO L93 Difference]: Finished difference Result 97006 states and 152210 transitions. [2024-11-16 07:38:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:38:02,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 179 [2024-11-16 07:38:02,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:38:02,541 INFO L225 Difference]: With dead ends: 97006 [2024-11-16 07:38:02,542 INFO L226 Difference]: Without dead ends: 65242 [2024-11-16 07:38:02,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:38:02,594 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1320 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:38:02,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 903 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:38:02,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65242 states. [2024-11-16 07:38:04,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65242 to 65121. [2024-11-16 07:38:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65121 states, 56566 states have (on average 1.4525156454407242) internal successors, (82163), 56573 states have internal predecessors, (82163), 8527 states have call successors, (8527), 23 states have call predecessors, (8527), 27 states have return successors, (9672), 8526 states have call predecessors, (9672), 8526 states have call successors, (9672) [2024-11-16 07:38:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65121 states to 65121 states and 100362 transitions. [2024-11-16 07:38:04,817 INFO L78 Accepts]: Start accepts. Automaton has 65121 states and 100362 transitions. Word has length 179 [2024-11-16 07:38:04,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:38:04,818 INFO L471 AbstractCegarLoop]: Abstraction has 65121 states and 100362 transitions. [2024-11-16 07:38:04,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:38:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 65121 states and 100362 transitions. [2024-11-16 07:38:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-16 07:38:05,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:38:05,163 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:38:05,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 07:38:05,164 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:38:05,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:38:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1578963120, now seen corresponding path program 1 times [2024-11-16 07:38:05,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:38:05,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541148869] [2024-11-16 07:38:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:38:05,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:38:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:38:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:38:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:38:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:38:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:38:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:38:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:38:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:38:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:38:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:38:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:38:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:38:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:38:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:38:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:38:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:38:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 07:38:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:38:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:38:05,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:38:05,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541148869] [2024-11-16 07:38:05,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541148869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:38:05,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:38:05,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:38:05,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617030637] [2024-11-16 07:38:05,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:38:05,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:38:05,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:38:05,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:38:05,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:38:05,338 INFO L87 Difference]: Start difference. First operand 65121 states and 100362 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:38:08,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:38:08,383 INFO L93 Difference]: Finished difference Result 122389 states and 191752 transitions. [2024-11-16 07:38:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:38:08,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 180 [2024-11-16 07:38:08,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:38:08,762 INFO L225 Difference]: With dead ends: 122389 [2024-11-16 07:38:08,762 INFO L226 Difference]: Without dead ends: 122204 [2024-11-16 07:38:08,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:38:08,799 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 1288 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:38:08,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 912 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 07:38:08,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122204 states. [2024-11-16 07:38:12,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122204 to 122083. [2024-11-16 07:38:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122083 states, 106729 states have (on average 1.4439655576272616) internal successors, (154113), 106736 states have internal predecessors, (154113), 15326 states have call successors, (15326), 23 states have call predecessors, (15326), 27 states have return successors, (17517), 15325 states have call predecessors, (17517), 15325 states have call successors, (17517) [2024-11-16 07:38:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122083 states to 122083 states and 186956 transitions. [2024-11-16 07:38:12,526 INFO L78 Accepts]: Start accepts. Automaton has 122083 states and 186956 transitions. Word has length 180 [2024-11-16 07:38:12,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:38:12,527 INFO L471 AbstractCegarLoop]: Abstraction has 122083 states and 186956 transitions. [2024-11-16 07:38:12,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 07:38:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 122083 states and 186956 transitions. [2024-11-16 07:38:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 07:38:12,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:38:12,600 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:38:12,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 07:38:12,601 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:38:12,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:38:12,601 INFO L85 PathProgramCache]: Analyzing trace with hash -847948190, now seen corresponding path program 1 times [2024-11-16 07:38:12,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:38:12,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093317422] [2024-11-16 07:38:12,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:38:12,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:38:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:38:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:38:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:38:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:38:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:38:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:38:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:38:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:38:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:38:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:38:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:38:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:38:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:38:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:38:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:38:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:38:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 07:38:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 07:38:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-16 07:38:13,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:38:13,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093317422] [2024-11-16 07:38:13,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093317422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:38:13,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844540187] [2024-11-16 07:38:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:38:13,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:38:13,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:38:13,021 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 07:38:13,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-16 07:38:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:38:13,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 07:38:13,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:38:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-16 07:38:13,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:38:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:38:13,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844540187] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:38:13,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:38:13,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-11-16 07:38:13,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546668392] [2024-11-16 07:38:13,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:38:13,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-16 07:38:13,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:38:13,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-16 07:38:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2024-11-16 07:38:13,860 INFO L87 Difference]: Start difference. First operand 122083 states and 186956 transitions. Second operand has 32 states, 30 states have (on average 9.666666666666666) internal successors, (290), 24 states have internal predecessors, (290), 9 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (44), 11 states have call predecessors, (44), 9 states have call successors, (44) [2024-11-16 07:38:44,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:38:44,483 INFO L93 Difference]: Finished difference Result 729821 states and 1166858 transitions. [2024-11-16 07:38:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-11-16 07:38:44,484 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 9.666666666666666) internal successors, (290), 24 states have internal predecessors, (290), 9 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (44), 11 states have call predecessors, (44), 9 states have call successors, (44) Word has length 181 [2024-11-16 07:38:44,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:38:47,711 INFO L225 Difference]: With dead ends: 729821 [2024-11-16 07:38:47,712 INFO L226 Difference]: Without dead ends: 729640 [2024-11-16 07:38:47,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10097 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3820, Invalid=25936, Unknown=0, NotChecked=0, Total=29756 [2024-11-16 07:38:47,980 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 8810 mSDsluCounter, 13630 mSDsCounter, 0 mSdLazyCounter, 24418 mSolverCounterSat, 2679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8834 SdHoareTripleChecker+Valid, 14268 SdHoareTripleChecker+Invalid, 27097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2679 IncrementalHoareTripleChecker+Valid, 24418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:38:47,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8834 Valid, 14268 Invalid, 27097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2679 Valid, 24418 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time]