./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_fib-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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/seq-pthread/cs_fib-2.i -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 2f188ac4b0bdfe335e0fcb7c5645493965a99a7b8a1d7a552e9d512c30775fb8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 21:51:39,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 21:51:39,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 21:51:39,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 21:51:39,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 21:51:39,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 21:51:39,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 21:51:39,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 21:51:39,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 21:51:39,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 21:51:39,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 21:51:39,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 21:51:39,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 21:51:39,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 21:51:39,961 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 21:51:39,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 21:51:39,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 21:51:39,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 21:51:39,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 21:51:39,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 21:51:39,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 21:51:39,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 21:51:39,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 21:51:39,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 21:51:39,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 21:51:39,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 21:51:39,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 21:51:39,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 21:51:39,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 21:51:39,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 21:51:39,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 21:51:39,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 21:51:39,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:51:39,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 21:51:39,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 21:51:39,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 21:51:39,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 21:51:39,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 21:51:39,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 21:51:39,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 21:51:39,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 21:51:39,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 21:51:39,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f188ac4b0bdfe335e0fcb7c5645493965a99a7b8a1d7a552e9d512c30775fb8 [2024-11-11 21:51:40,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 21:51:40,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 21:51:40,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 21:51:40,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 21:51:40,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 21:51:40,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_fib-2.i [2024-11-11 21:51:41,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 21:51:42,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 21:51:42,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib-2.i [2024-11-11 21:51:42,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/341d6e64f/c7eca3aedead4e188a547cc563933966/FLAGf256e8d84 [2024-11-11 21:51:42,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/341d6e64f/c7eca3aedead4e188a547cc563933966 [2024-11-11 21:51:42,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 21:51:42,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 21:51:42,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 21:51:42,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 21:51:42,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 21:51:42,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:51:42" (1/1) ... [2024-11-11 21:51:42,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3a6f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:42, skipping insertion in model container [2024-11-11 21:51:42,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:51:42" (1/1) ... [2024-11-11 21:51:42,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 21:51:42,807 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/seq-pthread/cs_fib-2.i[23457,23470] [2024-11-11 21:51:42,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:51:42,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 21:51:43,032 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/seq-pthread/cs_fib-2.i[23457,23470] [2024-11-11 21:51:43,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:51:43,167 INFO L204 MainTranslator]: Completed translation [2024-11-11 21:51:43,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43 WrapperNode [2024-11-11 21:51:43,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 21:51:43,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 21:51:43,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 21:51:43,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 21:51:43,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,261 INFO L138 Inliner]: procedures = 145, calls = 437, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 746 [2024-11-11 21:51:43,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 21:51:43,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 21:51:43,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 21:51:43,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 21:51:43,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,335 INFO L175 MemorySlicer]: Split 281 memory accesses to 17 slices as follows [2, 2, 11, 8, 8, 8, 53, 0, 31, 48, 22, 22, 10, 31, 6, 11, 8]. 19 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 0, 0, 3, 3, 3, 18, 0, 0, 18, 6, 6, 6, 0, 1, 0, 1]. The 65 writes are split as follows [0, 2, 1, 2, 2, 2, 20, 0, 1, 15, 7, 7, 2, 1, 1, 1, 1]. [2024-11-11 21:51:43,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 21:51:43,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 21:51:43,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 21:51:43,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 21:51:43,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (1/1) ... [2024-11-11 21:51:43,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:51:43,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:51:43,461 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) [2024-11-11 21:51:43,468 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 [2024-11-11 21:51:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 21:51:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 21:51:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 21:51:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 21:51:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-11 21:51:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-11 21:51:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-11 21:51:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-11 21:51:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-11 21:51:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-11 21:51:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-11 21:51:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-11 21:51:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-11 21:51:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 21:51:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 21:51:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 21:51:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 21:51:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-11 21:51:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-11 21:51:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-11 21:51:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-11 21:51:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-11 21:51:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-11 21:51:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-11 21:51:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-11 21:51:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-11 21:51:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-11 21:51:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-11 21:51:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-11 21:51:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-11 21:51:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-11 21:51:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-11 21:51:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 21:51:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-11 21:51:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-11 21:51:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-11 21:51:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-11 21:51:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-11 21:51:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-11 21:51:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-11 21:51:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-11 21:51:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-11 21:51:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-11 21:51:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-11 21:51:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-11 21:51:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-11 21:51:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-11 21:51:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-11 21:51:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 21:51:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-11 21:51:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-11 21:51:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-11 21:51:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-11 21:51:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-11 21:51:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-11 21:51:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-11 21:51:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-11 21:51:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-11 21:51:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-11 21:51:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-11 21:51:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-11 21:51:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-11 21:51:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-11 21:51:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 21:51:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 21:51:43,853 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 21:51:43,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 21:51:44,182 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-11 21:51:44,183 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-11 21:51:44,183 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-11 21:51:44,183 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-11 21:51:44,183 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: SUMMARY for call __CS_cs(); srcloc: null [2024-11-11 21:51:44,183 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-11 21:51:44,183 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-11 21:51:48,741 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-11 21:51:48,741 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 21:51:48,767 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 21:51:48,768 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-11 21:51:48,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:51:48 BoogieIcfgContainer [2024-11-11 21:51:48,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 21:51:48,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 21:51:48,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 21:51:48,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 21:51:48,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 09:51:42" (1/3) ... [2024-11-11 21:51:48,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f14a759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:51:48, skipping insertion in model container [2024-11-11 21:51:48,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:51:43" (2/3) ... [2024-11-11 21:51:48,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f14a759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:51:48, skipping insertion in model container [2024-11-11 21:51:48,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:51:48" (3/3) ... [2024-11-11 21:51:48,780 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib-2.i [2024-11-11 21:51:48,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 21:51:48,797 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 21:51:48,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 21:51:48,872 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;@45131734, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 21:51:48,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 21:51:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 111 states have internal predecessors, (147), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-11 21:51:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-11 21:51:48,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:51:48,899 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:51:48,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:51:48,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:51:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1675804579, now seen corresponding path program 1 times [2024-11-11 21:51:48,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:51:48,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223114872] [2024-11-11 21:51:48,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:51:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:51:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-11 21:51:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-11 21:51:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-11 21:51:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-11 21:51:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-11 21:51:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 21:51:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-11 21:51:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 21:51:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-11 21:51:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-11 21:51:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 21:51:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 21:51:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 21:51:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 21:51:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 21:51:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 21:51:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 21:51:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 21:51:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 21:51:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 21:51:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 21:51:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 21:51:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 21:51:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 21:51:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 21:51:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 21:51:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-11 21:51:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 21:51:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-11 21:51:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-11 21:51:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-11 21:51:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:49,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-11 21:51:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-11 21:51:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-11 21:51:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-11 21:51:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 21:51:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-11 21:51:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-11 21:51:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 21:51:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-11 21:51:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-11 21:51:50,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:51:50,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223114872] [2024-11-11 21:51:50,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223114872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:51:50,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:51:50,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 21:51:50,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790807864] [2024-11-11 21:51:50,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:51:50,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 21:51:50,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:51:50,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 21:51:50,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 21:51:50,086 INFO L87 Difference]: Start difference. First operand has 183 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 111 states have internal predecessors, (147), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:50,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:51:50,170 INFO L93 Difference]: Finished difference Result 364 states and 620 transitions. [2024-11-11 21:51:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 21:51:50,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 254 [2024-11-11 21:51:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:51:50,184 INFO L225 Difference]: With dead ends: 364 [2024-11-11 21:51:50,185 INFO L226 Difference]: Without dead ends: 179 [2024-11-11 21:51:50,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 21:51:50,197 INFO L435 NwaCegarLoop]: 273 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, 273 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 [2024-11-11 21:51:50,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 21:51:50,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-11 21:51:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-11 21:51:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 108 states have internal predecessors, (138), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-11 21:51:50,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 269 transitions. [2024-11-11 21:51:50,271 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 269 transitions. Word has length 254 [2024-11-11 21:51:50,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:51:50,272 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 269 transitions. [2024-11-11 21:51:50,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 269 transitions. [2024-11-11 21:51:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-11 21:51:50,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:51:50,280 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:51:50,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 21:51:50,281 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:51:50,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:51:50,284 INFO L85 PathProgramCache]: Analyzing trace with hash 724528955, now seen corresponding path program 1 times [2024-11-11 21:51:50,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:51:50,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789510428] [2024-11-11 21:51:50,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:51:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:51:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-11 21:51:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-11 21:51:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 21:51:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-11 21:51:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-11 21:51:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-11 21:51:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 21:51:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-11 21:51:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-11 21:51:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 21:51:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 21:51:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 21:51:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 21:51:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 21:51:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:50,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 21:51:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 21:51:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 21:51:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 21:51:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 21:51:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 21:51:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 21:51:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 21:51:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 21:51:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 21:51:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-11 21:51:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 21:51:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-11 21:51:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 21:51:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-11 21:51:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 21:51:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-11 21:51:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-11 21:51:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-11 21:51:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-11 21:51:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-11 21:51:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-11 21:51:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-11 21:51:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-11 21:51:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-11 21:51:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-11 21:51:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-11 21:51:51,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:51:51,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789510428] [2024-11-11 21:51:51,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789510428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:51:51,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:51:51,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:51:51,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228739663] [2024-11-11 21:51:51,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:51:51,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 21:51:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:51:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 21:51:51,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 21:51:51,168 INFO L87 Difference]: Start difference. First operand 179 states and 269 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:55,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:51:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:51:55,317 INFO L93 Difference]: Finished difference Result 356 states and 536 transitions. [2024-11-11 21:51:55,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 21:51:55,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 255 [2024-11-11 21:51:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:51:55,322 INFO L225 Difference]: With dead ends: 356 [2024-11-11 21:51:55,322 INFO L226 Difference]: Without dead ends: 186 [2024-11-11 21:51:55,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:51:55,326 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 7 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:51:55,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 789 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-11 21:51:55,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-11 21:51:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 181. [2024-11-11 21:51:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 109 states have (on average 1.2844036697247707) internal successors, (140), 110 states have internal predecessors, (140), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-11 21:51:55,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 271 transitions. [2024-11-11 21:51:55,344 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 271 transitions. Word has length 255 [2024-11-11 21:51:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:51:55,344 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 271 transitions. [2024-11-11 21:51:55,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 271 transitions. [2024-11-11 21:51:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-11 21:51:55,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:51:55,349 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:51:55,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 21:51:55,350 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:51:55,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:51:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1258462735, now seen corresponding path program 1 times [2024-11-11 21:51:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:51:55,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359834074] [2024-11-11 21:51:55,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:51:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:51:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-11 21:51:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-11 21:51:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-11 21:51:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-11 21:51:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-11 21:51:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 21:51:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-11 21:51:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-11 21:51:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 21:51:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 21:51:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 21:51:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 21:51:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 21:51:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 21:51:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 21:51:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 21:51:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 21:51:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 21:51:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-11 21:51:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 21:51:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-11 21:51:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-11 21:51:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 21:51:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-11 21:51:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:55,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-11 21:51:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-11 21:51:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-11 21:51:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-11 21:51:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-11 21:51:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-11 21:51:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-11 21:51:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-11 21:51:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-11 21:51:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-11 21:51:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-11 21:51:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-11 21:51:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-11 21:51:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-11 21:51:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-11 21:51:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-11 21:51:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-11 21:51:56,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:51:56,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359834074] [2024-11-11 21:51:56,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359834074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:51:56,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:51:56,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:51:56,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795899513] [2024-11-11 21:51:56,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:51:56,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 21:51:56,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:51:56,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 21:51:56,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 21:51:56,084 INFO L87 Difference]: Start difference. First operand 181 states and 271 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:51:56,168 INFO L93 Difference]: Finished difference Result 361 states and 542 transitions. [2024-11-11 21:51:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 21:51:56,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 261 [2024-11-11 21:51:56,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:51:56,175 INFO L225 Difference]: With dead ends: 361 [2024-11-11 21:51:56,178 INFO L226 Difference]: Without dead ends: 184 [2024-11-11 21:51:56,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:51:56,180 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 2 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 21:51:56,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 793 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 21:51:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-11 21:51:56,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 183. [2024-11-11 21:51:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 112 states have internal predecessors, (142), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-11 21:51:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 273 transitions. [2024-11-11 21:51:56,208 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 273 transitions. Word has length 261 [2024-11-11 21:51:56,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:51:56,211 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 273 transitions. [2024-11-11 21:51:56,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 273 transitions. [2024-11-11 21:51:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-11 21:51:56,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:51:56,217 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:51:56,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 21:51:56,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:51:56,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:51:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1773761869, now seen corresponding path program 1 times [2024-11-11 21:51:56,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:51:56,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733827151] [2024-11-11 21:51:56,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:51:56,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:51:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:51:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:51:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:51:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:51:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:51:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:51:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:51:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:51:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:51:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:51:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:51:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:51:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:51:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:51:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:51:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:51:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:51:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:51:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:51:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:51:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:51:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:51:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:51:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:51:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:51:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:51:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:51:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:51:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:51:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:51:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:51:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:51:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:51:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:51:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:51:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:51:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:51:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:51:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:51:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:51:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3124 trivial. 0 not checked. [2024-11-11 21:51:57,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:51:57,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733827151] [2024-11-11 21:51:57,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733827151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:51:57,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:51:57,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:51:57,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617875569] [2024-11-11 21:51:57,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:51:57,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:51:57,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:51:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:51:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:51:57,662 INFO L87 Difference]: Start difference. First operand 183 states and 273 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:57,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:51:57,831 INFO L93 Difference]: Finished difference Result 356 states and 534 transitions. [2024-11-11 21:51:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:51:57,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 264 [2024-11-11 21:51:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:51:57,840 INFO L225 Difference]: With dead ends: 356 [2024-11-11 21:51:57,840 INFO L226 Difference]: Without dead ends: 354 [2024-11-11 21:51:57,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:51:57,842 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 175 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:51:57,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1014 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:51:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-11 21:51:57,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 351. [2024-11-11 21:51:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 208 states have (on average 1.2836538461538463) internal successors, (267), 209 states have internal predecessors, (267), 131 states have call successors, (131), 11 states have call predecessors, (131), 11 states have return successors, (132), 130 states have call predecessors, (132), 129 states have call successors, (132) [2024-11-11 21:51:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 530 transitions. [2024-11-11 21:51:57,894 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 530 transitions. Word has length 264 [2024-11-11 21:51:57,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:51:57,897 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 530 transitions. [2024-11-11 21:51:57,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-11 21:51:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 530 transitions. [2024-11-11 21:51:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-11 21:51:57,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:51:57,904 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:51:57,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 21:51:57,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:51:57,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:51:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash 415666836, now seen corresponding path program 1 times [2024-11-11 21:51:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:51:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495186268] [2024-11-11 21:51:57,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:51:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:51:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:51:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:51:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:51:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:51:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:51:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:51:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:51:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:51:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:51:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:51:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:51:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:51:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:51:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:51:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:51:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:51:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:51:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:51:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:51:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:51:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:51:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:51:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:58,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:51:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:51:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:51:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:51:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:51:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:51:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:51:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:51:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:51:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:51:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:51:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:51:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:51:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:51:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:51:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:51:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:51:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:51:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-11 21:51:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:51:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3124 trivial. 0 not checked. [2024-11-11 21:51:59,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:51:59,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495186268] [2024-11-11 21:51:59,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495186268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:51:59,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:51:59,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:51:59,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758681978] [2024-11-11 21:51:59,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:51:59,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:51:59,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:51:59,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:51:59,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:51:59,079 INFO L87 Difference]: Start difference. First operand 351 states and 530 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-11 21:51:59,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:51:59,232 INFO L93 Difference]: Finished difference Result 360 states and 537 transitions. [2024-11-11 21:51:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:51:59,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 269 [2024-11-11 21:51:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:51:59,236 INFO L225 Difference]: With dead ends: 360 [2024-11-11 21:51:59,236 INFO L226 Difference]: Without dead ends: 358 [2024-11-11 21:51:59,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:51:59,237 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 171 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:51:59,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1018 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:51:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-11 21:51:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 355. [2024-11-11 21:51:59,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 211 states have (on average 1.2796208530805686) internal successors, (270), 212 states have internal predecessors, (270), 131 states have call successors, (131), 12 states have call predecessors, (131), 12 states have return successors, (132), 130 states have call predecessors, (132), 129 states have call successors, (132) [2024-11-11 21:51:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 533 transitions. [2024-11-11 21:51:59,263 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 533 transitions. Word has length 269 [2024-11-11 21:51:59,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:51:59,264 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 533 transitions. [2024-11-11 21:51:59,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-11 21:51:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 533 transitions. [2024-11-11 21:51:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-11 21:51:59,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:51:59,269 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:51:59,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 21:51:59,269 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:51:59,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:51:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1079459475, now seen corresponding path program 1 times [2024-11-11 21:51:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:51:59,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339244356] [2024-11-11 21:51:59,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:51:59,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:51:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:52:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:52:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:52:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:52:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:52:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:52:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:52:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:52:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:52:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:52:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:52:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:52:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:52:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:52:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:52:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:52:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:52:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:52:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:52:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:52:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:52:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:52:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:52:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:52:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:52:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:52:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:52:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:52:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:52:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:52:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:52:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:52:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:52:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:52:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:52:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:52:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:52:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:52:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:52:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:52:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-11 21:52:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-11 21:52:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3128 trivial. 0 not checked. [2024-11-11 21:52:00,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:00,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339244356] [2024-11-11 21:52:00,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339244356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:00,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:00,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:52:00,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037757877] [2024-11-11 21:52:00,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:00,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:52:00,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:00,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:52:00,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:52:00,522 INFO L87 Difference]: Start difference. First operand 355 states and 533 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-11 21:52:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:52:00,703 INFO L93 Difference]: Finished difference Result 364 states and 540 transitions. [2024-11-11 21:52:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:52:00,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 274 [2024-11-11 21:52:00,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:52:00,707 INFO L225 Difference]: With dead ends: 364 [2024-11-11 21:52:00,708 INFO L226 Difference]: Without dead ends: 362 [2024-11-11 21:52:00,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:52:00,709 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 170 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:52:00,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1015 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:52:00,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-11 21:52:00,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 359. [2024-11-11 21:52:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 214 states have (on average 1.2757009345794392) internal successors, (273), 215 states have internal predecessors, (273), 131 states have call successors, (131), 13 states have call predecessors, (131), 13 states have return successors, (132), 130 states have call predecessors, (132), 129 states have call successors, (132) [2024-11-11 21:52:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 536 transitions. [2024-11-11 21:52:00,754 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 536 transitions. Word has length 274 [2024-11-11 21:52:00,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:52:00,755 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 536 transitions. [2024-11-11 21:52:00,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-11 21:52:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 536 transitions. [2024-11-11 21:52:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-11 21:52:00,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:52:00,762 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:52:00,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 21:52:00,763 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:52:00,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:52:00,764 INFO L85 PathProgramCache]: Analyzing trace with hash 123472372, now seen corresponding path program 1 times [2024-11-11 21:52:00,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:52:00,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297670988] [2024-11-11 21:52:00,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:52:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:52:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:52:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:52:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:52:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:52:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:52:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:52:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:52:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:52:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:52:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:52:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:52:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:52:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:52:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:52:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:52:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:52:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:52:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:52:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:52:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:52:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:52:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:52:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:52:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:52:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:52:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:52:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:52:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:52:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:52:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:52:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:52:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:52:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:52:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:52:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:52:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:52:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:52:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:52:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:52:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:52:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-11 21:52:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-11 21:52:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-11 21:52:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3142 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3136 trivial. 0 not checked. [2024-11-11 21:52:01,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297670988] [2024-11-11 21:52:01,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297670988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:01,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:01,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:52:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021603226] [2024-11-11 21:52:01,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:01,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:52:01,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:01,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:52:01,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:52:01,948 INFO L87 Difference]: Start difference. First operand 359 states and 536 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-11 21:52:02,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:52:02,114 INFO L93 Difference]: Finished difference Result 368 states and 543 transitions. [2024-11-11 21:52:02,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:52:02,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 279 [2024-11-11 21:52:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:52:02,118 INFO L225 Difference]: With dead ends: 368 [2024-11-11 21:52:02,118 INFO L226 Difference]: Without dead ends: 366 [2024-11-11 21:52:02,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:52:02,119 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 169 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:52:02,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1018 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:52:02,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-11 21:52:02,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 363. [2024-11-11 21:52:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 217 states have (on average 1.271889400921659) internal successors, (276), 218 states have internal predecessors, (276), 131 states have call successors, (131), 14 states have call predecessors, (131), 14 states have return successors, (132), 130 states have call predecessors, (132), 129 states have call successors, (132) [2024-11-11 21:52:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 539 transitions. [2024-11-11 21:52:02,153 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 539 transitions. Word has length 279 [2024-11-11 21:52:02,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:52:02,154 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 539 transitions. [2024-11-11 21:52:02,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-11 21:52:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 539 transitions. [2024-11-11 21:52:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-11 21:52:02,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:52:02,159 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:52:02,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 21:52:02,159 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:52:02,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:52:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1525749133, now seen corresponding path program 1 times [2024-11-11 21:52:02,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:52:02,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974500230] [2024-11-11 21:52:02,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:52:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:52:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:52:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:52:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:52:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:52:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:52:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:52:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:52:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:52:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:52:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:52:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:52:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:52:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:52:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:52:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:52:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:52:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:52:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:52:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:52:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:52:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:52:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:52:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:52:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:52:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:52:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:52:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:52:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:52:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:52:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:52:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:52:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:52:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:52:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:52:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:52:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:52:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:52:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:52:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:52:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:52:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-11 21:52:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-11 21:52:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-11 21:52:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-11 21:52:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3156 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3148 trivial. 0 not checked. [2024-11-11 21:52:03,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:03,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974500230] [2024-11-11 21:52:03,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974500230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:03,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:03,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:52:03,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780158976] [2024-11-11 21:52:03,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:03,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:52:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:52:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:52:03,336 INFO L87 Difference]: Start difference. First operand 363 states and 539 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-11 21:52:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:52:03,520 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-11 21:52:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:52:03,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 284 [2024-11-11 21:52:03,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:52:03,525 INFO L225 Difference]: With dead ends: 372 [2024-11-11 21:52:03,525 INFO L226 Difference]: Without dead ends: 370 [2024-11-11 21:52:03,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:52:03,527 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 168 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:52:03,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1018 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:52:03,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-11 21:52:03,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 367. [2024-11-11 21:52:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 220 states have (on average 1.268181818181818) internal successors, (279), 221 states have internal predecessors, (279), 131 states have call successors, (131), 15 states have call predecessors, (131), 15 states have return successors, (132), 130 states have call predecessors, (132), 129 states have call successors, (132) [2024-11-11 21:52:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 542 transitions. [2024-11-11 21:52:03,587 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 542 transitions. Word has length 284 [2024-11-11 21:52:03,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:52:03,588 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 542 transitions. [2024-11-11 21:52:03,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-11 21:52:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 542 transitions. [2024-11-11 21:52:03,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-11 21:52:03,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:52:03,595 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:52:03,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 21:52:03,595 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:52:03,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:52:03,596 INFO L85 PathProgramCache]: Analyzing trace with hash -956466860, now seen corresponding path program 1 times [2024-11-11 21:52:03,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:52:03,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968059088] [2024-11-11 21:52:03,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:52:03,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:52:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:52:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:52:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:52:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:52:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:52:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:52:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:52:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:52:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:52:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:52:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:52:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:52:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:52:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:52:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:52:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:52:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:52:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:52:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:52:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:52:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:52:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:52:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:52:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:52:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:52:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:52:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:52:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:52:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:52:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:52:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:52:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:52:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:52:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:52:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:52:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:52:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:52:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:52:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:52:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:52:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-11 21:52:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-11 21:52:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-11 21:52:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-11 21:52:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-11 21:52:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3174 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2024-11-11 21:52:04,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:04,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968059088] [2024-11-11 21:52:04,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968059088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:04,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:04,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:52:04,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285400463] [2024-11-11 21:52:04,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:04,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:52:04,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:04,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:52:04,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:52:04,815 INFO L87 Difference]: Start difference. First operand 367 states and 542 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-11 21:52:05,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:52:05,001 INFO L93 Difference]: Finished difference Result 376 states and 549 transitions. [2024-11-11 21:52:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:52:05,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 289 [2024-11-11 21:52:05,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:52:05,005 INFO L225 Difference]: With dead ends: 376 [2024-11-11 21:52:05,005 INFO L226 Difference]: Without dead ends: 372 [2024-11-11 21:52:05,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:52:05,006 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 167 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:52:05,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 1018 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:52:05,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-11 21:52:05,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 369. [2024-11-11 21:52:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 222 states have (on average 1.2612612612612613) internal successors, (280), 222 states have internal predecessors, (280), 131 states have call successors, (131), 16 states have call predecessors, (131), 15 states have return successors, (132), 130 states have call predecessors, (132), 129 states have call successors, (132) [2024-11-11 21:52:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 543 transitions. [2024-11-11 21:52:05,050 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 543 transitions. Word has length 289 [2024-11-11 21:52:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:52:05,051 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 543 transitions. [2024-11-11 21:52:05,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-11 21:52:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 543 transitions. [2024-11-11 21:52:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-11 21:52:05,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:52:05,056 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:52:05,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 21:52:05,057 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:52:05,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:52:05,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1172861357, now seen corresponding path program 1 times [2024-11-11 21:52:05,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:52:05,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584504728] [2024-11-11 21:52:05,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:52:05,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:52:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-11 21:52:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-11 21:52:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 21:52:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 21:52:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-11 21:52:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-11 21:52:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-11 21:52:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 21:52:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 21:52:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 21:52:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 21:52:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 21:52:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 21:52:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 21:52:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 21:52:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 21:52:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 21:52:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 21:52:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-11 21:52:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-11 21:52:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-11 21:52:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-11 21:52:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-11 21:52:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-11 21:52:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 21:52:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-11 21:52:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-11 21:52:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 21:52:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-11 21:52:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-11 21:52:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 21:52:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-11 21:52:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-11 21:52:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-11 21:52:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-11 21:52:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-11 21:52:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-11 21:52:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-11 21:52:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 21:52:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-11 21:52:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-11 21:52:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-11 21:52:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-11 21:52:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-11 21:52:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-11 21:52:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-11 21:52:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3184 trivial. 0 not checked. [2024-11-11 21:52:05,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:05,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584504728] [2024-11-11 21:52:05,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584504728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:05,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:05,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 21:52:05,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922765219] [2024-11-11 21:52:05,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:05,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:52:05,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:05,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:52:05,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:52:05,894 INFO L87 Difference]: Start difference. First operand 369 states and 543 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-11 21:52:05,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:52:05,979 INFO L93 Difference]: Finished difference Result 372 states and 545 transitions. [2024-11-11 21:52:05,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:52:05,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 294 [2024-11-11 21:52:05,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:52:05,982 INFO L225 Difference]: With dead ends: 372 [2024-11-11 21:52:05,983 INFO L226 Difference]: Without dead ends: 254 [2024-11-11 21:52:05,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:52:05,984 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 163 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 21:52:05,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1047 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 21:52:05,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-11 21:52:06,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 253. [2024-11-11 21:52:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 159 states have (on average 1.3522012578616351) internal successors, (215), 160 states have internal predecessors, (215), 84 states have call successors, (84), 9 states have call predecessors, (84), 9 states have return successors, (85), 83 states have call predecessors, (85), 83 states have call successors, (85) [2024-11-11 21:52:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 384 transitions. [2024-11-11 21:52:06,009 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 384 transitions. Word has length 294 [2024-11-11 21:52:06,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:52:06,009 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 384 transitions. [2024-11-11 21:52:06,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-11 21:52:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 384 transitions. [2024-11-11 21:52:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-11 21:52:06,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:52:06,016 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:52:06,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 21:52:06,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:52:06,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:52:06,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1329753853, now seen corresponding path program 1 times [2024-11-11 21:52:06,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:52:06,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448778814] [2024-11-11 21:52:06,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:52:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:52:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 21:52:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 21:52:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 21:52:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 21:52:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 21:52:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 21:52:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-11 21:52:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 21:52:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 21:52:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 21:52:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 21:52:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 21:52:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 21:52:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 21:52:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 21:52:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 21:52:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 21:52:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 21:52:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 21:52:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 21:52:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-11 21:52:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 21:52:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-11 21:52:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-11 21:52:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-11 21:52:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-11 21:52:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-11 21:52:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-11 21:52:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-11 21:52:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 21:52:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-11 21:52:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-11 21:52:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 21:52:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-11 21:52:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-11 21:52:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-11 21:52:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-11 21:52:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-11 21:52:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-11 21:52:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-11 21:52:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-11 21:52:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-11 21:52:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-11 21:52:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-11 21:52:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-11 21:52:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-11 21:52:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-11 21:52:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3822 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3822 trivial. 0 not checked. [2024-11-11 21:52:07,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:07,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448778814] [2024-11-11 21:52:07,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448778814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:07,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:07,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:52:07,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580639019] [2024-11-11 21:52:07,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:07,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 21:52:07,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:07,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 21:52:07,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-11 21:52:07,573 INFO L87 Difference]: Start difference. First operand 253 states and 384 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (49), 5 states have call predecessors, (49), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-11 21:52:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:15,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:19,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:23,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:27,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:31,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:35,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:52:35,874 INFO L93 Difference]: Finished difference Result 618 states and 937 transitions. [2024-11-11 21:52:35,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:52:35,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (49), 5 states have call predecessors, (49), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 332 [2024-11-11 21:52:35,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:52:35,878 INFO L225 Difference]: With dead ends: 618 [2024-11-11 21:52:35,879 INFO L226 Difference]: Without dead ends: 513 [2024-11-11 21:52:35,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:52:35,881 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 319 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 145 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:52:35,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1329 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1033 Invalid, 6 Unknown, 0 Unchecked, 27.1s Time] [2024-11-11 21:52:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-11 21:52:35,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 486. [2024-11-11 21:52:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 305 states have (on average 1.3475409836065573) internal successors, (411), 310 states have internal predecessors, (411), 159 states have call successors, (159), 17 states have call predecessors, (159), 21 states have return successors, (174), 158 states have call predecessors, (174), 158 states have call successors, (174) [2024-11-11 21:52:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 744 transitions. [2024-11-11 21:52:35,946 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 744 transitions. Word has length 332 [2024-11-11 21:52:35,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:52:35,946 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 744 transitions. [2024-11-11 21:52:35,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (49), 5 states have call predecessors, (49), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-11 21:52:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 744 transitions. [2024-11-11 21:52:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-11 21:52:35,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:52:35,953 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:52:35,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 21:52:35,953 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:52:35,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:52:35,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1046631069, now seen corresponding path program 1 times [2024-11-11 21:52:35,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:52:35,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421533394] [2024-11-11 21:52:35,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:52:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:52:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-11 21:52:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:36,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 21:52:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:36,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 21:52:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 21:52:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 21:52:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 21:52:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-11 21:52:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:52:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 21:52:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 21:52:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 21:52:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 21:52:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 21:52:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 21:52:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 21:52:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 21:52:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 21:52:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 21:52:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 21:52:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 21:52:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 21:52:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-11 21:52:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 21:52:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-11 21:52:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-11 21:52:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-11 21:52:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-11 21:52:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-11 21:52:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-11 21:52:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-11 21:52:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 21:52:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-11 21:52:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-11 21:52:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 21:52:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-11 21:52:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-11 21:52:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-11 21:52:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-11 21:52:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-11 21:52:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-11 21:52:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-11 21:52:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-11 21:52:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-11 21:52:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-11 21:52:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-11 21:52:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-11 21:52:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-11 21:52:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-11 21:52:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:52:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3822 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3822 trivial. 0 not checked. [2024-11-11 21:52:37,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:52:37,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421533394] [2024-11-11 21:52:37,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421533394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:52:37,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:52:37,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:52:37,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963027058] [2024-11-11 21:52:37,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:52:37,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 21:52:37,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:52:37,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 21:52:37,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-11 21:52:37,166 INFO L87 Difference]: Start difference. First operand 486 states and 744 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (49), 5 states have call predecessors, (49), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-11 21:52:41,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:43,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:47,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:51,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:55,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:52:59,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 21:53:02,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:53:02,763 INFO L93 Difference]: Finished difference Result 903 states and 1363 transitions. [2024-11-11 21:53:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-11 21:53:02,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (49), 5 states have call predecessors, (49), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 332 [2024-11-11 21:53:02,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:53:02,767 INFO L225 Difference]: With dead ends: 903 [2024-11-11 21:53:02,768 INFO L226 Difference]: Without dead ends: 434 [2024-11-11 21:53:02,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:53:02,772 INFO L435 NwaCegarLoop]: 345 mSDtfsCounter, 321 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 143 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:53:02,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1357 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1038 Invalid, 5 Unknown, 0 Unchecked, 24.8s Time] [2024-11-11 21:53:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-11 21:53:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 414. [2024-11-11 21:53:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 257 states have (on average 1.264591439688716) internal successors, (325), 260 states have internal predecessors, (325), 138 states have call successors, (138), 16 states have call predecessors, (138), 18 states have return successors, (145), 137 states have call predecessors, (145), 137 states have call successors, (145) [2024-11-11 21:53:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 608 transitions. [2024-11-11 21:53:02,830 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 608 transitions. Word has length 332 [2024-11-11 21:53:02,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:53:02,830 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 608 transitions. [2024-11-11 21:53:02,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (49), 5 states have call predecessors, (49), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-11 21:53:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 608 transitions. [2024-11-11 21:53:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-11 21:53:02,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:53:02,836 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:53:02,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 21:53:02,836 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 21:53:02,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:53:02,837 INFO L85 PathProgramCache]: Analyzing trace with hash 630699581, now seen corresponding path program 1 times [2024-11-11 21:53:02,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:53:02,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130125521] [2024-11-11 21:53:02,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:53:02,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:53:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-11 21:53:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-11 21:53:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:53:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 21:53:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 21:53:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:53:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 21:53:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 21:53:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:53:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-11 21:53:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-11 21:53:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 21:53:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 21:53:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 21:53:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 21:53:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 21:53:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 21:53:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-11 21:53:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-11 21:53:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 21:53:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-11 21:53:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-11 21:53:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 21:53:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:03,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-11 21:53:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-11 21:53:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 21:53:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-11 21:53:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-11 21:53:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-11 21:53:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-11 21:53:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-11 21:53:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-11 21:53:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-11 21:53:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 21:53:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-11 21:53:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-11 21:53:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 21:53:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-11 21:53:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-11 21:53:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-11 21:53:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-11 21:53:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-11 21:53:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-11 21:53:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-11 21:53:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-11 21:53:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-11 21:53:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-11 21:53:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-11 21:53:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-11 21:53:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-11 21:53:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-11 21:53:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3822 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3819 trivial. 0 not checked. [2024-11-11 21:53:04,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:53:04,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130125521] [2024-11-11 21:53:04,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130125521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 21:53:04,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205145524] [2024-11-11 21:53:04,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:53:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 21:53:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:53:04,061 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) [2024-11-11 21:53:04,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 21:53:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:53:04,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-11 21:53:04,930 INFO L279 TraceCheckSpWp]: Computing forward predicates...